./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70285c15c86f57662e9c7cfb124387828d40f8fb898978032ed6716b7a4d6009 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:22:59,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:22:59,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:22:59,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:22:59,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:22:59,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:22:59,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:22:59,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:22:59,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:22:59,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:22:59,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:22:59,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:22:59,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:22:59,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:22:59,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:22:59,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:22:59,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:22:59,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:22:59,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:22:59,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:22:59,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:22:59,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:22:59,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:22:59,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:22:59,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:22:59,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:22:59,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:22:59,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:22:59,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:22:59,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:22:59,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:22:59,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:22:59,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:22:59,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:22:59,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:22:59,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:22:59,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:22:59,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:22:59,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:22:59,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:22:59,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:22:59,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:22:59,839 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:22:59,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:22:59,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:22:59,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:22:59,841 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:22:59,842 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:22:59,842 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:22:59,842 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:22:59,842 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:22:59,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:22:59,843 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:22:59,844 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:22:59,844 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:22:59,844 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:22:59,845 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:22:59,845 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:22:59,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:22:59,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:22:59,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:22:59,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:22:59,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:22:59,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:22:59,847 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:22:59,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:22:59,847 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:22:59,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:22:59,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:22:59,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:22:59,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:22:59,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:22:59,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:22:59,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:22:59,851 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:22:59,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:22:59,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:22:59,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:22:59,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:22:59,852 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70285c15c86f57662e9c7cfb124387828d40f8fb898978032ed6716b7a4d6009 [2021-11-12 23:23:00,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:23:00,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:23:00,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:23:00,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:23:00,216 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:23:00,218 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2021-11-12 23:23:00,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/data/7ea03525b/6a7010452c634c60a17d4005d49470b1/FLAGdf0126571 [2021-11-12 23:23:01,551 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:23:01,552 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2021-11-12 23:23:01,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/data/7ea03525b/6a7010452c634c60a17d4005d49470b1/FLAGdf0126571 [2021-11-12 23:23:01,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/data/7ea03525b/6a7010452c634c60a17d4005d49470b1 [2021-11-12 23:23:01,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:23:01,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:23:01,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:23:01,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:23:01,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:23:01,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:23:01" (1/1) ... [2021-11-12 23:23:01,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755347c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:01, skipping insertion in model container [2021-11-12 23:23:01,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:23:01" (1/1) ... [2021-11-12 23:23:01,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:23:01,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:23:06,207 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:23:06,290 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:23:06,291 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:23:06,428 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:23:06,542 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:23:09,106 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562820,562833] [2021-11-12 23:23:09,109 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562965,562978] [2021-11-12 23:23:09,110 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563111,563124] [2021-11-12 23:23:09,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563276,563289] [2021-11-12 23:23:09,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563434,563447] [2021-11-12 23:23:09,112 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563592,563605] [2021-11-12 23:23:09,112 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563750,563763] [2021-11-12 23:23:09,113 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563910,563923] [2021-11-12 23:23:09,113 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564069,564082] [2021-11-12 23:23:09,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564208,564221] [2021-11-12 23:23:09,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564350,564363] [2021-11-12 23:23:09,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564499,564512] [2021-11-12 23:23:09,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564638,564651] [2021-11-12 23:23:09,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564793,564806] [2021-11-12 23:23:09,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564953,564966] [2021-11-12 23:23:09,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565104,565117] [2021-11-12 23:23:09,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565255,565268] [2021-11-12 23:23:09,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565407,565420] [2021-11-12 23:23:09,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565556,565569] [2021-11-12 23:23:09,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565704,565717] [2021-11-12 23:23:09,120 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565861,565874] [2021-11-12 23:23:09,120 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566010,566023] [2021-11-12 23:23:09,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566166,566179] [2021-11-12 23:23:09,122 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566319,566332] [2021-11-12 23:23:09,122 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566465,566478] [2021-11-12 23:23:09,123 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566608,566621] [2021-11-12 23:23:09,123 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566760,566773] [2021-11-12 23:23:09,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566906,566919] [2021-11-12 23:23:09,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567051,567064] [2021-11-12 23:23:09,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567205,567218] [2021-11-12 23:23:09,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567356,567369] [2021-11-12 23:23:09,126 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567511,567524] [2021-11-12 23:23:09,126 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567663,567676] [2021-11-12 23:23:09,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567818,567831] [2021-11-12 23:23:09,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567982,567995] [2021-11-12 23:23:09,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568138,568151] [2021-11-12 23:23:09,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568302,568315] [2021-11-12 23:23:09,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568444,568457] [2021-11-12 23:23:09,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568602,568615] [2021-11-12 23:23:09,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568769,568782] [2021-11-12 23:23:09,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568928,568941] [2021-11-12 23:23:09,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569087,569100] [2021-11-12 23:23:09,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569236,569249] [2021-11-12 23:23:09,132 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569383,569396] [2021-11-12 23:23:09,132 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569522,569535] [2021-11-12 23:23:09,133 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569685,569698] [2021-11-12 23:23:09,133 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569851,569864] [2021-11-12 23:23:09,134 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570015,570028] [2021-11-12 23:23:09,134 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570180,570193] [2021-11-12 23:23:09,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570345,570358] [2021-11-12 23:23:09,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570511,570524] [2021-11-12 23:23:09,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570676,570689] [2021-11-12 23:23:09,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570843,570856] [2021-11-12 23:23:09,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571003,571016] [2021-11-12 23:23:09,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571165,571178] [2021-11-12 23:23:09,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571324,571337] [2021-11-12 23:23:09,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571470,571483] [2021-11-12 23:23:09,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571613,571626] [2021-11-12 23:23:09,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571757,571770] [2021-11-12 23:23:09,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571900,571913] [2021-11-12 23:23:09,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572044,572057] [2021-11-12 23:23:09,141 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572185,572198] [2021-11-12 23:23:09,141 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572323,572336] [2021-11-12 23:23:09,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572481,572494] [2021-11-12 23:23:09,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572640,572653] [2021-11-12 23:23:09,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572796,572809] [2021-11-12 23:23:09,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572945,572958] [2021-11-12 23:23:09,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573097,573110] [2021-11-12 23:23:09,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573248,573261] [2021-11-12 23:23:09,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573397,573410] [2021-11-12 23:23:09,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573549,573562] [2021-11-12 23:23:09,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573697,573710] [2021-11-12 23:23:09,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573850,573863] [2021-11-12 23:23:09,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574001,574014] [2021-11-12 23:23:09,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574151,574164] [2021-11-12 23:23:09,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574298,574311] [2021-11-12 23:23:09,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574449,574462] [2021-11-12 23:23:09,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574600,574613] [2021-11-12 23:23:09,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574748,574761] [2021-11-12 23:23:09,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574914,574927] [2021-11-12 23:23:09,151 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575083,575096] [2021-11-12 23:23:09,151 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575250,575263] [2021-11-12 23:23:09,152 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575418,575431] [2021-11-12 23:23:09,152 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575568,575581] [2021-11-12 23:23:09,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575715,575728] [2021-11-12 23:23:09,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575876,575889] [2021-11-12 23:23:09,154 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576046,576059] [2021-11-12 23:23:09,154 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576208,576221] [2021-11-12 23:23:09,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:23:09,275 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:23:09,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4cbd7599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:09, skipping insertion in model container [2021-11-12 23:23:09,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:23:09,277 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:23:09,279 INFO L158 Benchmark]: Toolchain (without parser) took 7583.98ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 56.9MB in the beginning and 109.8MB in the end (delta: -52.8MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2021-11-12 23:23:09,280 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:23:09,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7581.70ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 56.7MB in the beginning and 109.8MB in the end (delta: -53.1MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2021-11-12 23:23:09,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7581.70ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 56.7MB in the beginning and 109.8MB in the end (delta: -53.1MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8024]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70285c15c86f57662e9c7cfb124387828d40f8fb898978032ed6716b7a4d6009 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:23:11,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:23:11,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:23:11,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:23:11,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:23:11,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:23:11,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:23:11,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:23:11,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:23:11,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:23:11,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:23:11,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:23:11,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:23:11,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:23:11,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:23:11,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:23:11,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:23:11,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:23:11,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:23:11,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:23:11,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:23:11,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:23:11,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:23:11,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:23:11,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:23:11,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:23:11,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:23:11,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:23:11,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:23:11,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:23:11,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:23:11,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:23:11,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:23:11,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:23:11,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:23:11,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:23:11,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:23:11,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:23:11,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:23:11,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:23:11,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:23:11,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:23:11,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:23:11,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:23:11,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:23:11,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:23:11,812 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:23:11,813 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:23:11,813 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:23:11,813 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:23:11,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:23:11,813 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:23:11,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:23:11,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:23:11,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:23:11,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:23:11,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:23:11,817 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:23:11,817 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:23:11,817 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:23:11,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:23:11,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:23:11,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:23:11,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:23:11,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:23:11,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:23:11,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:23:11,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:23:11,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:23:11,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:23:11,820 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:23:11,820 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:23:11,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:23:11,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:23:11,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:23:11,821 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70285c15c86f57662e9c7cfb124387828d40f8fb898978032ed6716b7a4d6009 [2021-11-12 23:23:12,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:23:12,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:23:12,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:23:12,250 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:23:12,251 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:23:12,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2021-11-12 23:23:12,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/data/b9c1656d2/362a2fcb1b4c4989ba04762afb7db5d8/FLAGcdb1055d4 [2021-11-12 23:23:13,702 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:23:13,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2021-11-12 23:23:13,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/data/b9c1656d2/362a2fcb1b4c4989ba04762afb7db5d8/FLAGcdb1055d4 [2021-11-12 23:23:13,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/data/b9c1656d2/362a2fcb1b4c4989ba04762afb7db5d8 [2021-11-12 23:23:13,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:23:13,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:23:13,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:23:13,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:23:13,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:23:13,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:23:13" (1/1) ... [2021-11-12 23:23:13,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54007c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:13, skipping insertion in model container [2021-11-12 23:23:13,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:23:13" (1/1) ... [2021-11-12 23:23:13,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:23:14,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:23:21,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562820,562833] [2021-11-12 23:23:21,353 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562965,562978] [2021-11-12 23:23:21,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563111,563124] [2021-11-12 23:23:21,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563276,563289] [2021-11-12 23:23:21,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563434,563447] [2021-11-12 23:23:21,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563592,563605] [2021-11-12 23:23:21,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563750,563763] [2021-11-12 23:23:21,357 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563910,563923] [2021-11-12 23:23:21,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564069,564082] [2021-11-12 23:23:21,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564208,564221] [2021-11-12 23:23:21,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564350,564363] [2021-11-12 23:23:21,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564499,564512] [2021-11-12 23:23:21,360 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564638,564651] [2021-11-12 23:23:21,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564793,564806] [2021-11-12 23:23:21,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564953,564966] [2021-11-12 23:23:21,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565104,565117] [2021-11-12 23:23:21,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565255,565268] [2021-11-12 23:23:21,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565407,565420] [2021-11-12 23:23:21,364 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565556,565569] [2021-11-12 23:23:21,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565704,565717] [2021-11-12 23:23:21,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565861,565874] [2021-11-12 23:23:21,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566010,566023] [2021-11-12 23:23:21,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566166,566179] [2021-11-12 23:23:21,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566319,566332] [2021-11-12 23:23:21,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566465,566478] [2021-11-12 23:23:21,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566608,566621] [2021-11-12 23:23:21,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566760,566773] [2021-11-12 23:23:21,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566906,566919] [2021-11-12 23:23:21,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567051,567064] [2021-11-12 23:23:21,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567205,567218] [2021-11-12 23:23:21,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567356,567369] [2021-11-12 23:23:21,373 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567511,567524] [2021-11-12 23:23:21,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567663,567676] [2021-11-12 23:23:21,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567818,567831] [2021-11-12 23:23:21,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567982,567995] [2021-11-12 23:23:21,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568138,568151] [2021-11-12 23:23:21,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568302,568315] [2021-11-12 23:23:21,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568444,568457] [2021-11-12 23:23:21,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568602,568615] [2021-11-12 23:23:21,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568769,568782] [2021-11-12 23:23:21,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568928,568941] [2021-11-12 23:23:21,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569087,569100] [2021-11-12 23:23:21,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569236,569249] [2021-11-12 23:23:21,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569383,569396] [2021-11-12 23:23:21,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569522,569535] [2021-11-12 23:23:21,382 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569685,569698] [2021-11-12 23:23:21,382 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569851,569864] [2021-11-12 23:23:21,383 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570015,570028] [2021-11-12 23:23:21,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570180,570193] [2021-11-12 23:23:21,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570345,570358] [2021-11-12 23:23:21,385 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570511,570524] [2021-11-12 23:23:21,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570676,570689] [2021-11-12 23:23:21,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570843,570856] [2021-11-12 23:23:21,387 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571003,571016] [2021-11-12 23:23:21,387 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571165,571178] [2021-11-12 23:23:21,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571324,571337] [2021-11-12 23:23:21,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571470,571483] [2021-11-12 23:23:21,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571613,571626] [2021-11-12 23:23:21,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571757,571770] [2021-11-12 23:23:21,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571900,571913] [2021-11-12 23:23:21,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572044,572057] [2021-11-12 23:23:21,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572185,572198] [2021-11-12 23:23:21,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572323,572336] [2021-11-12 23:23:21,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572481,572494] [2021-11-12 23:23:21,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572640,572653] [2021-11-12 23:23:21,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572796,572809] [2021-11-12 23:23:21,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572945,572958] [2021-11-12 23:23:21,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573097,573110] [2021-11-12 23:23:21,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573248,573261] [2021-11-12 23:23:21,397 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573397,573410] [2021-11-12 23:23:21,398 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573549,573562] [2021-11-12 23:23:21,398 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573697,573710] [2021-11-12 23:23:21,399 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573850,573863] [2021-11-12 23:23:21,399 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574001,574014] [2021-11-12 23:23:21,400 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574151,574164] [2021-11-12 23:23:21,401 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574298,574311] [2021-11-12 23:23:21,401 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574449,574462] [2021-11-12 23:23:21,402 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574600,574613] [2021-11-12 23:23:21,402 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574748,574761] [2021-11-12 23:23:21,403 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574914,574927] [2021-11-12 23:23:21,404 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575083,575096] [2021-11-12 23:23:21,404 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575250,575263] [2021-11-12 23:23:21,405 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575418,575431] [2021-11-12 23:23:21,405 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575568,575581] [2021-11-12 23:23:21,406 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575715,575728] [2021-11-12 23:23:21,407 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575876,575889] [2021-11-12 23:23:21,407 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576046,576059] [2021-11-12 23:23:21,408 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576208,576221] [2021-11-12 23:23:21,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:23:21,560 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:23:21,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:23:22,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562820,562833] [2021-11-12 23:23:22,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562965,562978] [2021-11-12 23:23:22,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563111,563124] [2021-11-12 23:23:22,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563276,563289] [2021-11-12 23:23:22,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563434,563447] [2021-11-12 23:23:22,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563592,563605] [2021-11-12 23:23:22,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563750,563763] [2021-11-12 23:23:22,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563910,563923] [2021-11-12 23:23:22,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564069,564082] [2021-11-12 23:23:22,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564208,564221] [2021-11-12 23:23:22,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564350,564363] [2021-11-12 23:23:22,443 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564499,564512] [2021-11-12 23:23:22,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564638,564651] [2021-11-12 23:23:22,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564793,564806] [2021-11-12 23:23:22,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564953,564966] [2021-11-12 23:23:22,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565104,565117] [2021-11-12 23:23:22,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565255,565268] [2021-11-12 23:23:22,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565407,565420] [2021-11-12 23:23:22,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565556,565569] [2021-11-12 23:23:22,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565704,565717] [2021-11-12 23:23:22,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565861,565874] [2021-11-12 23:23:22,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566010,566023] [2021-11-12 23:23:22,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566166,566179] [2021-11-12 23:23:22,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566319,566332] [2021-11-12 23:23:22,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566465,566478] [2021-11-12 23:23:22,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566608,566621] [2021-11-12 23:23:22,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566760,566773] [2021-11-12 23:23:22,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566906,566919] [2021-11-12 23:23:22,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567051,567064] [2021-11-12 23:23:22,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567205,567218] [2021-11-12 23:23:22,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567356,567369] [2021-11-12 23:23:22,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567511,567524] [2021-11-12 23:23:22,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567663,567676] [2021-11-12 23:23:22,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567818,567831] [2021-11-12 23:23:22,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567982,567995] [2021-11-12 23:23:22,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568138,568151] [2021-11-12 23:23:22,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568302,568315] [2021-11-12 23:23:22,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568444,568457] [2021-11-12 23:23:22,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568602,568615] [2021-11-12 23:23:22,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568769,568782] [2021-11-12 23:23:22,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568928,568941] [2021-11-12 23:23:22,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569087,569100] [2021-11-12 23:23:22,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569236,569249] [2021-11-12 23:23:22,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569383,569396] [2021-11-12 23:23:22,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569522,569535] [2021-11-12 23:23:22,482 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569685,569698] [2021-11-12 23:23:22,483 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569851,569864] [2021-11-12 23:23:22,483 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570015,570028] [2021-11-12 23:23:22,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570180,570193] [2021-11-12 23:23:22,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570345,570358] [2021-11-12 23:23:22,485 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570511,570524] [2021-11-12 23:23:22,485 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570676,570689] [2021-11-12 23:23:22,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570843,570856] [2021-11-12 23:23:22,487 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571003,571016] [2021-11-12 23:23:22,488 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571165,571178] [2021-11-12 23:23:22,489 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571324,571337] [2021-11-12 23:23:22,490 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571470,571483] [2021-11-12 23:23:22,490 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571613,571626] [2021-11-12 23:23:22,492 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571757,571770] [2021-11-12 23:23:22,493 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571900,571913] [2021-11-12 23:23:22,497 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572044,572057] [2021-11-12 23:23:22,498 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572185,572198] [2021-11-12 23:23:22,499 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572323,572336] [2021-11-12 23:23:22,499 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572481,572494] [2021-11-12 23:23:22,500 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572640,572653] [2021-11-12 23:23:22,502 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572796,572809] [2021-11-12 23:23:22,502 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572945,572958] [2021-11-12 23:23:22,503 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573097,573110] [2021-11-12 23:23:22,503 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573248,573261] [2021-11-12 23:23:22,511 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573397,573410] [2021-11-12 23:23:22,512 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573549,573562] [2021-11-12 23:23:22,513 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573697,573710] [2021-11-12 23:23:22,513 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573850,573863] [2021-11-12 23:23:22,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574001,574014] [2021-11-12 23:23:22,515 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574151,574164] [2021-11-12 23:23:22,516 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574298,574311] [2021-11-12 23:23:22,516 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574449,574462] [2021-11-12 23:23:22,517 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574600,574613] [2021-11-12 23:23:22,519 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574748,574761] [2021-11-12 23:23:22,520 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574914,574927] [2021-11-12 23:23:22,521 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575083,575096] [2021-11-12 23:23:22,522 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575250,575263] [2021-11-12 23:23:22,523 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575418,575431] [2021-11-12 23:23:22,524 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575568,575581] [2021-11-12 23:23:22,524 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575715,575728] [2021-11-12 23:23:22,525 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575876,575889] [2021-11-12 23:23:22,525 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576046,576059] [2021-11-12 23:23:22,526 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576208,576221] [2021-11-12 23:23:22,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:23:22,623 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:23:23,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562820,562833] [2021-11-12 23:23:23,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562965,562978] [2021-11-12 23:23:23,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563111,563124] [2021-11-12 23:23:23,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563276,563289] [2021-11-12 23:23:23,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563434,563447] [2021-11-12 23:23:23,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563592,563605] [2021-11-12 23:23:23,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563750,563763] [2021-11-12 23:23:23,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563910,563923] [2021-11-12 23:23:23,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564069,564082] [2021-11-12 23:23:23,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564208,564221] [2021-11-12 23:23:23,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564350,564363] [2021-11-12 23:23:23,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564499,564512] [2021-11-12 23:23:23,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564638,564651] [2021-11-12 23:23:23,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564793,564806] [2021-11-12 23:23:23,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564953,564966] [2021-11-12 23:23:23,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565104,565117] [2021-11-12 23:23:23,297 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565255,565268] [2021-11-12 23:23:23,297 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565407,565420] [2021-11-12 23:23:23,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565556,565569] [2021-11-12 23:23:23,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565704,565717] [2021-11-12 23:23:23,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565861,565874] [2021-11-12 23:23:23,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566010,566023] [2021-11-12 23:23:23,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566166,566179] [2021-11-12 23:23:23,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566319,566332] [2021-11-12 23:23:23,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566465,566478] [2021-11-12 23:23:23,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566608,566621] [2021-11-12 23:23:23,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566760,566773] [2021-11-12 23:23:23,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566906,566919] [2021-11-12 23:23:23,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567051,567064] [2021-11-12 23:23:23,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567205,567218] [2021-11-12 23:23:23,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567356,567369] [2021-11-12 23:23:23,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567511,567524] [2021-11-12 23:23:23,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567663,567676] [2021-11-12 23:23:23,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567818,567831] [2021-11-12 23:23:23,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567982,567995] [2021-11-12 23:23:23,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568138,568151] [2021-11-12 23:23:23,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568302,568315] [2021-11-12 23:23:23,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568444,568457] [2021-11-12 23:23:23,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568602,568615] [2021-11-12 23:23:23,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568769,568782] [2021-11-12 23:23:23,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568928,568941] [2021-11-12 23:23:23,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569087,569100] [2021-11-12 23:23:23,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569236,569249] [2021-11-12 23:23:23,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569383,569396] [2021-11-12 23:23:23,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569522,569535] [2021-11-12 23:23:23,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569685,569698] [2021-11-12 23:23:23,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569851,569864] [2021-11-12 23:23:23,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570015,570028] [2021-11-12 23:23:23,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570180,570193] [2021-11-12 23:23:23,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570345,570358] [2021-11-12 23:23:23,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570511,570524] [2021-11-12 23:23:23,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570676,570689] [2021-11-12 23:23:23,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570843,570856] [2021-11-12 23:23:23,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571003,571016] [2021-11-12 23:23:23,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571165,571178] [2021-11-12 23:23:23,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571324,571337] [2021-11-12 23:23:23,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571470,571483] [2021-11-12 23:23:23,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571613,571626] [2021-11-12 23:23:23,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571757,571770] [2021-11-12 23:23:23,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571900,571913] [2021-11-12 23:23:23,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572044,572057] [2021-11-12 23:23:23,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572185,572198] [2021-11-12 23:23:23,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572323,572336] [2021-11-12 23:23:23,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572481,572494] [2021-11-12 23:23:23,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572640,572653] [2021-11-12 23:23:23,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572796,572809] [2021-11-12 23:23:23,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572945,572958] [2021-11-12 23:23:23,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573097,573110] [2021-11-12 23:23:23,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573248,573261] [2021-11-12 23:23:23,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573397,573410] [2021-11-12 23:23:23,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573549,573562] [2021-11-12 23:23:23,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573697,573710] [2021-11-12 23:23:23,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573850,573863] [2021-11-12 23:23:23,324 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574001,574014] [2021-11-12 23:23:23,324 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574151,574164] [2021-11-12 23:23:23,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574298,574311] [2021-11-12 23:23:23,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574449,574462] [2021-11-12 23:23:23,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574600,574613] [2021-11-12 23:23:23,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574748,574761] [2021-11-12 23:23:23,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574914,574927] [2021-11-12 23:23:23,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575083,575096] [2021-11-12 23:23:23,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575250,575263] [2021-11-12 23:23:23,328 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575418,575431] [2021-11-12 23:23:23,328 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575568,575581] [2021-11-12 23:23:23,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575715,575728] [2021-11-12 23:23:23,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575876,575889] [2021-11-12 23:23:23,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576046,576059] [2021-11-12 23:23:23,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576208,576221] [2021-11-12 23:23:23,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:23:24,309 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:23:24,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24 WrapperNode [2021-11-12 23:23:24,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:23:24,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:23:24,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:23:24,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:23:24,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24" (1/1) ... [2021-11-12 23:23:24,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24" (1/1) ... [2021-11-12 23:23:24,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:23:24,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:23:24,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:23:24,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:23:25,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24" (1/1) ... [2021-11-12 23:23:25,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24" (1/1) ... [2021-11-12 23:23:25,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24" (1/1) ... [2021-11-12 23:23:25,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24" (1/1) ... [2021-11-12 23:23:25,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24" (1/1) ... [2021-11-12 23:23:25,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24" (1/1) ... [2021-11-12 23:23:25,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24" (1/1) ... [2021-11-12 23:23:25,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:23:25,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:23:25,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:23:25,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:23:25,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24" (1/1) ... [2021-11-12 23:23:25,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:23:25,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:23:25,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:23:25,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:23:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-12 23:23:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-12 23:23:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 23:23:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 23:23:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:23:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:23:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:23:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:23:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 23:23:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 23:23:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 23:23:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 23:23:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2021-11-12 23:23:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2021-11-12 23:23:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:23:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:23:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:23:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:23:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2021-11-12 23:23:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2021-11-12 23:23:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-12 23:23:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-12 23:23:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:23:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:23:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2021-11-12 23:23:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2021-11-12 23:23:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:23:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:23:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2021-11-12 23:23:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2021-11-12 23:23:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:23:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:23:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:23:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:23:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 23:23:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 23:23:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:23:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:23:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2021-11-12 23:23:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2021-11-12 23:23:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-12 23:23:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-12 23:23:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2021-11-12 23:23:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2021-11-12 23:23:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2021-11-12 23:23:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2021-11-12 23:23:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-12 23:23:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-12 23:23:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-12 23:23:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-12 23:23:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:23:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:23:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:23:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:23:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-12 23:23:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-12 23:23:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:23:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:23:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:23:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-12 23:23:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-12 23:23:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 23:23:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 23:23:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2021-11-12 23:23:25,552 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2021-11-12 23:23:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2021-11-12 23:23:25,552 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2021-11-12 23:23:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:23:25,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:23:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:23:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-12 23:23:25,553 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-12 23:23:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2021-11-12 23:23:25,553 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2021-11-12 23:23:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2021-11-12 23:23:25,553 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2021-11-12 23:23:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 23:23:25,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 23:23:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 23:23:25,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 23:23:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2021-11-12 23:23:25,554 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2021-11-12 23:23:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:23:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:23:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:23:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:23:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2021-11-12 23:23:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2021-11-12 23:23:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-11-12 23:23:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-11-12 23:23:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:23:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:23:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2021-11-12 23:23:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2021-11-12 23:23:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2021-11-12 23:23:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2021-11-12 23:23:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:23:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:23:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2021-11-12 23:23:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2021-11-12 23:23:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 23:23:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 23:23:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:23:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2021-11-12 23:23:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2021-11-12 23:23:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 23:23:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 23:23:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2021-11-12 23:23:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2021-11-12 23:23:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:23:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:23:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2021-11-12 23:23:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2021-11-12 23:23:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-12 23:23:25,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-12 23:23:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-12 23:23:25,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-12 23:23:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2021-11-12 23:23:25,560 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2021-11-12 23:23:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:23:25,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:23:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-12 23:23:25,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-12 23:23:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2021-11-12 23:23:25,561 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2021-11-12 23:23:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:23:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:23:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-12 23:23:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-12 23:23:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:23:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:23:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-12 23:23:25,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-12 23:23:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:23:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:23:25,563 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:23:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:23:25,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:23:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:23:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2021-11-12 23:23:25,564 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2021-11-12 23:23:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:23:25,564 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:23:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-12 23:23:25,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-12 23:23:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:23:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:23:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-12 23:23:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-12 23:23:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:23:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:23:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2021-11-12 23:23:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2021-11-12 23:23:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:23:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:23:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-12 23:23:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-12 23:23:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:23:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:23:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-12 23:23:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-12 23:23:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-12 23:23:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-12 23:23:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2021-11-12 23:23:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2021-11-12 23:23:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:23:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:23:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2021-11-12 23:23:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2021-11-12 23:23:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:23:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:23:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:23:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:23:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-11-12 23:23:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-11-12 23:23:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:23:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:23:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2021-11-12 23:23:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2021-11-12 23:23:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2021-11-12 23:23:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2021-11-12 23:23:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-12 23:23:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-12 23:23:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2021-11-12 23:23:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2021-11-12 23:23:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-12 23:23:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-12 23:23:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:23:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:23:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 23:23:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 23:23:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:23:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:23:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:23:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:23:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2021-11-12 23:23:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2021-11-12 23:23:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-12 23:23:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-12 23:23:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-12 23:23:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-12 23:23:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:23:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:23:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2021-11-12 23:23:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2021-11-12 23:23:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:23:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:23:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2021-11-12 23:23:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2021-11-12 23:23:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2021-11-12 23:23:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2021-11-12 23:23:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:23:25,576 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:23:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2021-11-12 23:23:25,576 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2021-11-12 23:23:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:23:25,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:23:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 23:23:25,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 23:23:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2021-11-12 23:23:25,577 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2021-11-12 23:23:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:23:25,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:23:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:23:25,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:23:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-12 23:23:25,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-12 23:23:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:23:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:23:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:23:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:23:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-12 23:23:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-12 23:23:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-12 23:23:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-12 23:23:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:23:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:23:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:23:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:23:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-12 23:23:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-12 23:23:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:23:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:23:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 23:23:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 23:23:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:23:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:23:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:23:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:23:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:23:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:23:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2021-11-12 23:23:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2021-11-12 23:23:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:23:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:23:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-12 23:23:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-12 23:23:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-12 23:23:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-12 23:23:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-12 23:23:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-12 23:23:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:23:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:23:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-12 23:23:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-12 23:23:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-12 23:23:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-12 23:23:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-12 23:23:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-12 23:23:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-12 23:23:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-12 23:23:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:23:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:23:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:23:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:23:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:23:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2021-11-12 23:23:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2021-11-12 23:23:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:23:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:23:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-12 23:23:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-12 23:23:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-12 23:23:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-12 23:23:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2021-11-12 23:23:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2021-11-12 23:23:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:23:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:23:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2021-11-12 23:23:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2021-11-12 23:23:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 23:23:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 23:23:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:23:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-12 23:23:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-12 23:23:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:23:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:23:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:23:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:23:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:23:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:23:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:23:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-12 23:23:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-12 23:23:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-12 23:23:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-12 23:23:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2021-11-12 23:23:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2021-11-12 23:23:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:23:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:23:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-12 23:23:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-12 23:23:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:23:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:23:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2021-11-12 23:23:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2021-11-12 23:23:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:23:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:23:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2021-11-12 23:23:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2021-11-12 23:23:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-12 23:23:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-12 23:23:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 23:23:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 23:23:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2021-11-12 23:23:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2021-11-12 23:23:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2021-11-12 23:23:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2021-11-12 23:23:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2021-11-12 23:23:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2021-11-12 23:23:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-12 23:23:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-12 23:23:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:23:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2021-11-12 23:23:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2021-11-12 23:23:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:23:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-12 23:23:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-12 23:23:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:23:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:23:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:23:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2021-11-12 23:23:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2021-11-12 23:23:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:23:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:23:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-12 23:23:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-12 23:23:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2021-11-12 23:23:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2021-11-12 23:23:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2021-11-12 23:23:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2021-11-12 23:23:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:23:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:23:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2021-11-12 23:23:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2021-11-12 23:23:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-11-12 23:23:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-11-12 23:23:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:23:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:23:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:23:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:23:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-12 23:23:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-12 23:23:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2021-11-12 23:23:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2021-11-12 23:23:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:23:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:23:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:23:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:23:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-11-12 23:23:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-11-12 23:23:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:23:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:23:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 23:23:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 23:23:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-12 23:23:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-12 23:23:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-12 23:23:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-12 23:23:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2021-11-12 23:23:25,604 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2021-11-12 23:23:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2021-11-12 23:23:25,604 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2021-11-12 23:23:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:23:25,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:23:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-12 23:23:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-12 23:23:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:23:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:23:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2021-11-12 23:23:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2021-11-12 23:23:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 23:23:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 23:23:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-12 23:23:27,342 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:24:45,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:24:45,523 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 23:24:45,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:24:45 BoogieIcfgContainer [2021-11-12 23:24:45,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:24:45,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:24:45,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:24:45,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:24:45,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:23:13" (1/3) ... [2021-11-12 23:24:45,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb66de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:24:45, skipping insertion in model container [2021-11-12 23:24:45,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:23:24" (2/3) ... [2021-11-12 23:24:45,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb66de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:24:45, skipping insertion in model container [2021-11-12 23:24:45,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:24:45" (3/3) ... [2021-11-12 23:24:45,538 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2021-11-12 23:24:45,544 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:24:45,544 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-12 23:24:45,603 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:24:45,609 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:24:45,609 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-12 23:24:45,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 2946 states, 1969 states have (on average 1.2534281361097004) internal successors, (2468), 2055 states have internal predecessors, (2468), 766 states have call successors, (766), 182 states have call predecessors, (766), 181 states have return successors, (760), 743 states have call predecessors, (760), 760 states have call successors, (760) [2021-11-12 23:24:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-12 23:24:45,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:24:45,691 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:24:45,692 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:24:45,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:24:45,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1170323235, now seen corresponding path program 1 times [2021-11-12 23:24:45,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:24:45,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727115729] [2021-11-12 23:24:45,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:24:45,723 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:24:45,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:24:45,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:24:45,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:24:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:24:48,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 1674 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:24:48,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:24:49,275 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:24:49,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:24:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:24:49,644 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:24:49,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727115729] [2021-11-12 23:24:49,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727115729] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:24:49,645 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:24:49,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:24:49,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654497798] [2021-11-12 23:24:49,647 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:24:49,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:24:49,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:24:49,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:24:49,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:24:49,701 INFO L87 Difference]: Start difference. First operand has 2946 states, 1969 states have (on average 1.2534281361097004) internal successors, (2468), 2055 states have internal predecessors, (2468), 766 states have call successors, (766), 182 states have call predecessors, (766), 181 states have return successors, (760), 743 states have call predecessors, (760), 760 states have call successors, (760) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:24:50,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:24:50,401 INFO L93 Difference]: Finished difference Result 8763 states and 12148 transitions. [2021-11-12 23:24:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:24:50,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 64 [2021-11-12 23:24:50,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:24:50,480 INFO L225 Difference]: With dead ends: 8763 [2021-11-12 23:24:50,480 INFO L226 Difference]: Without dead ends: 5817 [2021-11-12 23:24:50,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:24:50,518 INFO L933 BasicCegarLoop]: 6986 mSDtfsCounter, 3877 mSDsluCounter, 17890 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3879 SdHoareTripleChecker+Valid, 24876 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 105.81ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.65ms IncrementalHoareTripleChecker+Time [2021-11-12 23:24:50,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3879 Valid, 24876 Invalid, 22 Unknown, 0 Unchecked, 105.81ms Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 102.65ms Time] [2021-11-12 23:24:50,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5817 states. [2021-11-12 23:24:50,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5817 to 5622. [2021-11-12 23:24:50,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5622 states, 3786 states have (on average 1.2340200739566825) internal successors, (4672), 3923 states have internal predecessors, (4672), 1467 states have call successors, (1467), 342 states have call predecessors, (1467), 340 states have return successors, (1466), 1426 states have call predecessors, (1466), 1465 states have call successors, (1466) [2021-11-12 23:24:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5622 states to 5622 states and 7605 transitions. [2021-11-12 23:24:51,006 INFO L78 Accepts]: Start accepts. Automaton has 5622 states and 7605 transitions. Word has length 64 [2021-11-12 23:24:51,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:24:51,007 INFO L470 AbstractCegarLoop]: Abstraction has 5622 states and 7605 transitions. [2021-11-12 23:24:51,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:24:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 5622 states and 7605 transitions. [2021-11-12 23:24:51,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-12 23:24:51,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:24:51,022 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:24:51,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:24:51,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:24:51,246 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:24:51,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:24:51,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1260396502, now seen corresponding path program 1 times [2021-11-12 23:24:51,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:24:51,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268555257] [2021-11-12 23:24:51,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:24:51,251 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:24:51,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:24:51,256 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:24:51,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:24:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:24:53,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:24:53,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:24:54,536 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:24:54,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:24:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:24:54,960 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:24:54,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268555257] [2021-11-12 23:24:54,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268555257] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:24:54,961 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:24:54,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:24:54,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602968330] [2021-11-12 23:24:54,961 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:24:54,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:24:54,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:24:54,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:24:54,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:24:54,963 INFO L87 Difference]: Start difference. First operand 5622 states and 7605 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:24:55,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:24:55,289 INFO L93 Difference]: Finished difference Result 5622 states and 7605 transitions. [2021-11-12 23:24:55,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:24:55,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 70 [2021-11-12 23:24:55,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:24:55,344 INFO L225 Difference]: With dead ends: 5622 [2021-11-12 23:24:55,344 INFO L226 Difference]: Without dead ends: 5620 [2021-11-12 23:24:55,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:24:55,351 INFO L933 BasicCegarLoop]: 3928 mSDtfsCounter, 3875 mSDsluCounter, 7852 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3877 SdHoareTripleChecker+Valid, 11780 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.26ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.47ms IncrementalHoareTripleChecker+Time [2021-11-12 23:24:55,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3877 Valid, 11780 Invalid, 2 Unknown, 0 Unchecked, 34.26ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 11.47ms Time] [2021-11-12 23:24:55,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5620 states. [2021-11-12 23:24:55,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5620 to 5620. [2021-11-12 23:24:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5620 states, 3785 states have (on average 1.2338177014531044) internal successors, (4670), 3921 states have internal predecessors, (4670), 1467 states have call successors, (1467), 342 states have call predecessors, (1467), 340 states have return successors, (1466), 1426 states have call predecessors, (1466), 1465 states have call successors, (1466) [2021-11-12 23:24:55,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5620 states to 5620 states and 7603 transitions. [2021-11-12 23:24:55,710 INFO L78 Accepts]: Start accepts. Automaton has 5620 states and 7603 transitions. Word has length 70 [2021-11-12 23:24:55,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:24:55,713 INFO L470 AbstractCegarLoop]: Abstraction has 5620 states and 7603 transitions. [2021-11-12 23:24:55,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:24:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 5620 states and 7603 transitions. [2021-11-12 23:24:55,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-12 23:24:55,717 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:24:55,717 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:24:55,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:24:55,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:24:55,942 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:24:55,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:24:55,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1521598049, now seen corresponding path program 1 times [2021-11-12 23:24:55,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:24:55,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827507757] [2021-11-12 23:24:55,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:24:55,946 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:24:55,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:24:55,948 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:24:56,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:24:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:24:58,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 1692 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:24:58,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:24:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:24:59,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:24:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:24:59,617 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:24:59,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827507757] [2021-11-12 23:24:59,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827507757] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:24:59,618 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:24:59,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:24:59,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387486741] [2021-11-12 23:24:59,618 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:24:59,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:24:59,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:24:59,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:24:59,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:24:59,620 INFO L87 Difference]: Start difference. First operand 5620 states and 7603 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:24:59,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:24:59,961 INFO L93 Difference]: Finished difference Result 5620 states and 7603 transitions. [2021-11-12 23:24:59,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:24:59,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 76 [2021-11-12 23:24:59,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:00,015 INFO L225 Difference]: With dead ends: 5620 [2021-11-12 23:25:00,016 INFO L226 Difference]: Without dead ends: 5618 [2021-11-12 23:25:00,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:25:00,024 INFO L933 BasicCegarLoop]: 3926 mSDtfsCounter, 3870 mSDsluCounter, 3924 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3872 SdHoareTripleChecker+Valid, 7850 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.41ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.17ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:00,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3872 Valid, 7850 Invalid, 2 Unknown, 0 Unchecked, 24.41ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.17ms Time] [2021-11-12 23:25:00,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5618 states. [2021-11-12 23:25:00,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5618 to 5618. [2021-11-12 23:25:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5618 states, 3784 states have (on average 1.233615221987315) internal successors, (4668), 3919 states have internal predecessors, (4668), 1467 states have call successors, (1467), 342 states have call predecessors, (1467), 340 states have return successors, (1466), 1426 states have call predecessors, (1466), 1465 states have call successors, (1466) [2021-11-12 23:25:00,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5618 states to 5618 states and 7601 transitions. [2021-11-12 23:25:00,498 INFO L78 Accepts]: Start accepts. Automaton has 5618 states and 7601 transitions. Word has length 76 [2021-11-12 23:25:00,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:00,500 INFO L470 AbstractCegarLoop]: Abstraction has 5618 states and 7601 transitions. [2021-11-12 23:25:00,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:25:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 5618 states and 7601 transitions. [2021-11-12 23:25:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-12 23:25:00,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:00,504 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:00,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:00,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:00,718 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:25:00,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:00,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1068724873, now seen corresponding path program 1 times [2021-11-12 23:25:00,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:00,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327895830] [2021-11-12 23:25:00,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:00,723 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:00,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:00,726 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:00,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:25:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:03,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 1701 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:25:03,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:04,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:04,535 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:04,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327895830] [2021-11-12 23:25:04,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327895830] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:04,535 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:04,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:25:04,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575871997] [2021-11-12 23:25:04,536 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:04,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:25:04,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:04,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:25:04,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:25:04,537 INFO L87 Difference]: Start difference. First operand 5618 states and 7601 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:25:04,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:04,876 INFO L93 Difference]: Finished difference Result 5618 states and 7601 transitions. [2021-11-12 23:25:04,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:25:04,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 82 [2021-11-12 23:25:04,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:04,922 INFO L225 Difference]: With dead ends: 5618 [2021-11-12 23:25:04,922 INFO L226 Difference]: Without dead ends: 5616 [2021-11-12 23:25:04,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:25:04,928 INFO L933 BasicCegarLoop]: 3924 mSDtfsCounter, 3862 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3864 SdHoareTripleChecker+Valid, 7846 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.64ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:04,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3864 Valid, 7846 Invalid, 2 Unknown, 0 Unchecked, 18.94ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.64ms Time] [2021-11-12 23:25:04,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5616 states. [2021-11-12 23:25:05,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5616 to 5616. [2021-11-12 23:25:05,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5616 states, 3783 states have (on average 1.2334126354744912) internal successors, (4666), 3917 states have internal predecessors, (4666), 1467 states have call successors, (1467), 342 states have call predecessors, (1467), 340 states have return successors, (1466), 1426 states have call predecessors, (1466), 1465 states have call successors, (1466) [2021-11-12 23:25:05,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5616 states to 5616 states and 7599 transitions. [2021-11-12 23:25:05,274 INFO L78 Accepts]: Start accepts. Automaton has 5616 states and 7599 transitions. Word has length 82 [2021-11-12 23:25:05,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:05,274 INFO L470 AbstractCegarLoop]: Abstraction has 5616 states and 7599 transitions. [2021-11-12 23:25:05,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:25:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 5616 states and 7599 transitions. [2021-11-12 23:25:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-12 23:25:05,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:05,276 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:05,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:05,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:05,491 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:25:05,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:05,491 INFO L85 PathProgramCache]: Analyzing trace with hash -249516405, now seen corresponding path program 1 times [2021-11-12 23:25:05,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:05,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141291340] [2021-11-12 23:25:05,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:05,495 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:05,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:05,496 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:05,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:25:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:07,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 1710 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:25:07,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:08,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:08,867 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:08,867 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:08,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [141291340] [2021-11-12 23:25:08,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [141291340] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:08,867 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:08,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:25:08,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141417667] [2021-11-12 23:25:08,868 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:08,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:25:08,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:08,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:25:08,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:25:08,870 INFO L87 Difference]: Start difference. First operand 5616 states and 7599 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:25:09,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:09,184 INFO L93 Difference]: Finished difference Result 5616 states and 7599 transitions. [2021-11-12 23:25:09,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:25:09,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 88 [2021-11-12 23:25:09,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:09,246 INFO L225 Difference]: With dead ends: 5616 [2021-11-12 23:25:09,246 INFO L226 Difference]: Without dead ends: 5614 [2021-11-12 23:25:09,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:25:09,251 INFO L933 BasicCegarLoop]: 3922 mSDtfsCounter, 3851 mSDsluCounter, 7840 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3853 SdHoareTripleChecker+Valid, 11762 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.64ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.62ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:09,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3853 Valid, 11762 Invalid, 2 Unknown, 0 Unchecked, 24.64ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.62ms Time] [2021-11-12 23:25:09,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5614 states. [2021-11-12 23:25:09,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5614 to 5614. [2021-11-12 23:25:09,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5614 states, 3782 states have (on average 1.2332099418297198) internal successors, (4664), 3915 states have internal predecessors, (4664), 1467 states have call successors, (1467), 342 states have call predecessors, (1467), 340 states have return successors, (1466), 1426 states have call predecessors, (1466), 1465 states have call successors, (1466) [2021-11-12 23:25:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5614 states to 5614 states and 7597 transitions. [2021-11-12 23:25:09,670 INFO L78 Accepts]: Start accepts. Automaton has 5614 states and 7597 transitions. Word has length 88 [2021-11-12 23:25:09,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:09,670 INFO L470 AbstractCegarLoop]: Abstraction has 5614 states and 7597 transitions. [2021-11-12 23:25:09,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:25:09,671 INFO L276 IsEmpty]: Start isEmpty. Operand 5614 states and 7597 transitions. [2021-11-12 23:25:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-12 23:25:09,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:09,673 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:09,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:09,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:09,886 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:25:09,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:09,887 INFO L85 PathProgramCache]: Analyzing trace with hash -2048881699, now seen corresponding path program 1 times [2021-11-12 23:25:09,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:09,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644333950] [2021-11-12 23:25:09,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:09,890 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:09,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:09,892 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:09,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:25:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:12,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 1865 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-12 23:25:12,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:14,001 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:25:14,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-12 23:25:16,379 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:16,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644333950] [2021-11-12 23:25:16,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1644333950] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:25:16,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:25:16,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 20 [2021-11-12 23:25:16,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500617047] [2021-11-12 23:25:16,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:16,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:25:16,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:16,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:25:16,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:25:16,381 INFO L87 Difference]: Start difference. First operand 5614 states and 7597 transitions. Second operand has 13 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 5 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2021-11-12 23:25:19,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:19,254 INFO L93 Difference]: Finished difference Result 11292 states and 15301 transitions. [2021-11-12 23:25:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:25:19,255 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 5 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) Word has length 114 [2021-11-12 23:25:19,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:19,287 INFO L225 Difference]: With dead ends: 11292 [2021-11-12 23:25:19,287 INFO L226 Difference]: Without dead ends: 5695 [2021-11-12 23:25:19,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-11-12 23:25:19,319 INFO L933 BasicCegarLoop]: 4011 mSDtfsCounter, 892 mSDsluCounter, 30822 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1754.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 34833 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 77.36ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1908.72ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:19,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1209 Valid, 34833 Invalid, 439 Unknown, 0 Unchecked, 77.36ms Time], IncrementalHoareTripleChecker [10 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 1908.72ms Time] [2021-11-12 23:25:19,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5695 states. [2021-11-12 23:25:19,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5695 to 5614. [2021-11-12 23:25:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5614 states, 3782 states have (on average 1.2329455314648334) internal successors, (4663), 3914 states have internal predecessors, (4663), 1467 states have call successors, (1467), 342 states have call predecessors, (1467), 340 states have return successors, (1466), 1426 states have call predecessors, (1466), 1465 states have call successors, (1466) [2021-11-12 23:25:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5614 states to 5614 states and 7596 transitions. [2021-11-12 23:25:19,774 INFO L78 Accepts]: Start accepts. Automaton has 5614 states and 7596 transitions. Word has length 114 [2021-11-12 23:25:19,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:19,774 INFO L470 AbstractCegarLoop]: Abstraction has 5614 states and 7596 transitions. [2021-11-12 23:25:19,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 5 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2021-11-12 23:25:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 5614 states and 7596 transitions. [2021-11-12 23:25:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-12 23:25:19,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:19,777 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:19,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-12 23:25:19,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:19,995 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:25:19,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:19,995 INFO L85 PathProgramCache]: Analyzing trace with hash -158836837, now seen corresponding path program 1 times [2021-11-12 23:25:19,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:20,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637337037] [2021-11-12 23:25:20,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:20,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:20,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:20,003 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:20,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:25:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:22,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 1719 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:25:22,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:22,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:23,285 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:23,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637337037] [2021-11-12 23:25:23,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637337037] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:23,286 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:23,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:25:23,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604722019] [2021-11-12 23:25:23,286 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:23,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:25:23,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:23,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:25:23,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:25:23,288 INFO L87 Difference]: Start difference. First operand 5614 states and 7596 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:25:23,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:23,643 INFO L93 Difference]: Finished difference Result 5614 states and 7596 transitions. [2021-11-12 23:25:23,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:25:23,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 94 [2021-11-12 23:25:23,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:23,673 INFO L225 Difference]: With dead ends: 5614 [2021-11-12 23:25:23,673 INFO L226 Difference]: Without dead ends: 5612 [2021-11-12 23:25:23,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:25:23,679 INFO L933 BasicCegarLoop]: 3919 mSDtfsCounter, 3842 mSDsluCounter, 7834 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3844 SdHoareTripleChecker+Valid, 11753 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.02ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.08ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:23,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3844 Valid, 11753 Invalid, 2 Unknown, 0 Unchecked, 26.02ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.08ms Time] [2021-11-12 23:25:23,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5612 states. [2021-11-12 23:25:24,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5612 to 5612. [2021-11-12 23:25:24,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5612 states, 3781 states have (on average 1.23274266067178) internal successors, (4661), 3912 states have internal predecessors, (4661), 1467 states have call successors, (1467), 342 states have call predecessors, (1467), 340 states have return successors, (1466), 1426 states have call predecessors, (1466), 1465 states have call successors, (1466) [2021-11-12 23:25:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5612 states to 5612 states and 7594 transitions. [2021-11-12 23:25:24,123 INFO L78 Accepts]: Start accepts. Automaton has 5612 states and 7594 transitions. Word has length 94 [2021-11-12 23:25:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:24,124 INFO L470 AbstractCegarLoop]: Abstraction has 5612 states and 7594 transitions. [2021-11-12 23:25:24,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:25:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 5612 states and 7594 transitions. [2021-11-12 23:25:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-12 23:25:24,127 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:24,127 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:24,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:24,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:24,348 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:25:24,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:24,348 INFO L85 PathProgramCache]: Analyzing trace with hash 697988890, now seen corresponding path program 1 times [2021-11-12 23:25:24,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:24,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403004970] [2021-11-12 23:25:24,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:24,352 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:24,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:24,354 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:24,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:25:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:26,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1876 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:25:27,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-12 23:25:27,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-12 23:25:27,589 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:27,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403004970] [2021-11-12 23:25:27,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403004970] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:27,589 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:27,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:25:27,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974048210] [2021-11-12 23:25:27,590 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:27,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:25:27,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:27,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:25:27,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:25:27,592 INFO L87 Difference]: Start difference. First operand 5612 states and 7594 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-12 23:25:28,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:28,434 INFO L93 Difference]: Finished difference Result 15459 states and 20906 transitions. [2021-11-12 23:25:28,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:25:28,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 118 [2021-11-12 23:25:28,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:28,481 INFO L225 Difference]: With dead ends: 15459 [2021-11-12 23:25:28,482 INFO L226 Difference]: Without dead ends: 9868 [2021-11-12 23:25:28,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:25:28,508 INFO L933 BasicCegarLoop]: 5338 mSDtfsCounter, 3903 mSDsluCounter, 5777 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 174.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3903 SdHoareTripleChecker+Valid, 11115 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.70ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 209.07ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:28,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3903 Valid, 11115 Invalid, 11 Unknown, 0 Unchecked, 21.70ms Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 209.07ms Time] [2021-11-12 23:25:28,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9868 states. [2021-11-12 23:25:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9868 to 9848. [2021-11-12 23:25:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9848 states, 6672 states have (on average 1.233363309352518) internal successors, (8229), 6868 states have internal predecessors, (8229), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:25:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9848 states to 9848 states and 13322 transitions. [2021-11-12 23:25:29,273 INFO L78 Accepts]: Start accepts. Automaton has 9848 states and 13322 transitions. Word has length 118 [2021-11-12 23:25:29,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:29,273 INFO L470 AbstractCegarLoop]: Abstraction has 9848 states and 13322 transitions. [2021-11-12 23:25:29,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-12 23:25:29,274 INFO L276 IsEmpty]: Start isEmpty. Operand 9848 states and 13322 transitions. [2021-11-12 23:25:29,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-12 23:25:29,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:29,278 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:29,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:29,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:29,505 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:25:29,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:29,506 INFO L85 PathProgramCache]: Analyzing trace with hash -451983944, now seen corresponding path program 1 times [2021-11-12 23:25:29,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:29,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107127842] [2021-11-12 23:25:29,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:29,511 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:29,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:29,512 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:29,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:25:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:31,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 1728 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:25:31,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:32,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:32,992 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:32,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107127842] [2021-11-12 23:25:32,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107127842] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:32,992 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:32,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:25:32,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538719797] [2021-11-12 23:25:32,992 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:32,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:25:32,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:32,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:25:32,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:25:32,994 INFO L87 Difference]: Start difference. First operand 9848 states and 13322 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:25:33,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:33,507 INFO L93 Difference]: Finished difference Result 9848 states and 13322 transitions. [2021-11-12 23:25:33,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:25:33,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 100 [2021-11-12 23:25:33,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:33,619 INFO L225 Difference]: With dead ends: 9848 [2021-11-12 23:25:33,619 INFO L226 Difference]: Without dead ends: 9846 [2021-11-12 23:25:33,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:25:33,624 INFO L933 BasicCegarLoop]: 3917 mSDtfsCounter, 3837 mSDsluCounter, 3915 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3839 SdHoareTripleChecker+Valid, 7832 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.21ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:33,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3839 Valid, 7832 Invalid, 2 Unknown, 0 Unchecked, 17.23ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.21ms Time] [2021-11-12 23:25:33,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9846 states. [2021-11-12 23:25:34,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9846 to 9846. [2021-11-12 23:25:34,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9846 states, 6671 states have (on average 1.2332483885474441) internal successors, (8227), 6866 states have internal predecessors, (8227), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:25:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9846 states to 9846 states and 13320 transitions. [2021-11-12 23:25:34,323 INFO L78 Accepts]: Start accepts. Automaton has 9846 states and 13320 transitions. Word has length 100 [2021-11-12 23:25:34,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:34,324 INFO L470 AbstractCegarLoop]: Abstraction has 9846 states and 13320 transitions. [2021-11-12 23:25:34,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:25:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 9846 states and 13320 transitions. [2021-11-12 23:25:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-12 23:25:34,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:34,328 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:34,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:34,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:34,550 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:25:34,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:34,550 INFO L85 PathProgramCache]: Analyzing trace with hash -23945239, now seen corresponding path program 1 times [2021-11-12 23:25:34,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:34,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061827882] [2021-11-12 23:25:34,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:34,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:34,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:34,554 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:34,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 23:25:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:37,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 1885 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:25:37,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-12 23:25:37,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-12 23:25:38,144 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:38,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061827882] [2021-11-12 23:25:38,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061827882] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:38,144 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:38,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:25:38,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493614105] [2021-11-12 23:25:38,144 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:38,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:25:38,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:38,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:25:38,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:25:38,145 INFO L87 Difference]: Start difference. First operand 9846 states and 13320 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-12 23:25:41,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:41,293 INFO L93 Difference]: Finished difference Result 19665 states and 26603 transitions. [2021-11-12 23:25:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:25:41,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 124 [2021-11-12 23:25:41,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:41,339 INFO L225 Difference]: With dead ends: 19665 [2021-11-12 23:25:41,340 INFO L226 Difference]: Without dead ends: 9840 [2021-11-12 23:25:41,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:25:41,381 INFO L933 BasicCegarLoop]: 3913 mSDtfsCounter, 6277 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2069.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6277 SdHoareTripleChecker+Valid, 3913 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.06ms SdHoareTripleChecker+Time, 1517 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2599.27ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:41,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6277 Valid, 3913 Invalid, 1518 Unknown, 0 Unchecked, 18.06ms Time], IncrementalHoareTripleChecker [1517 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2599.27ms Time] [2021-11-12 23:25:41,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9840 states. [2021-11-12 23:25:42,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9840 to 9840. [2021-11-12 23:25:42,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9840 states, 6666 states have (on average 1.2328232823282328) internal successors, (8218), 6860 states have internal predecessors, (8218), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:25:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9840 states to 9840 states and 13311 transitions. [2021-11-12 23:25:42,253 INFO L78 Accepts]: Start accepts. Automaton has 9840 states and 13311 transitions. Word has length 124 [2021-11-12 23:25:42,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:42,254 INFO L470 AbstractCegarLoop]: Abstraction has 9840 states and 13311 transitions. [2021-11-12 23:25:42,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-12 23:25:42,255 INFO L276 IsEmpty]: Start isEmpty. Operand 9840 states and 13311 transitions. [2021-11-12 23:25:42,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-12 23:25:42,257 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:42,257 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:42,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:42,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:42,482 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:25:42,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:42,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1681245420, now seen corresponding path program 1 times [2021-11-12 23:25:42,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:42,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929885516] [2021-11-12 23:25:42,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:42,485 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:42,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:42,487 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:42,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:25:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:44,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:25:44,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:45,529 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:45,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:45,916 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:45,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929885516] [2021-11-12 23:25:45,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929885516] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:45,916 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:45,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:25:45,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950447647] [2021-11-12 23:25:45,917 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:45,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:25:45,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:45,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:25:45,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:25:45,918 INFO L87 Difference]: Start difference. First operand 9840 states and 13311 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:25:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:46,452 INFO L93 Difference]: Finished difference Result 9840 states and 13311 transitions. [2021-11-12 23:25:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:25:46,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 106 [2021-11-12 23:25:46,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:46,570 INFO L225 Difference]: With dead ends: 9840 [2021-11-12 23:25:46,571 INFO L226 Difference]: Without dead ends: 9838 [2021-11-12 23:25:46,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:25:46,575 INFO L933 BasicCegarLoop]: 3910 mSDtfsCounter, 3832 mSDsluCounter, 3904 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3834 SdHoareTripleChecker+Valid, 7814 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.06ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:46,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3834 Valid, 7814 Invalid, 2 Unknown, 0 Unchecked, 15.12ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.06ms Time] [2021-11-12 23:25:46,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9838 states. [2021-11-12 23:25:47,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9838 to 9838. [2021-11-12 23:25:47,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9838 states, 6665 states have (on average 1.2327081770442612) internal successors, (8216), 6858 states have internal predecessors, (8216), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:25:47,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9838 states to 9838 states and 13309 transitions. [2021-11-12 23:25:47,327 INFO L78 Accepts]: Start accepts. Automaton has 9838 states and 13309 transitions. Word has length 106 [2021-11-12 23:25:47,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:47,330 INFO L470 AbstractCegarLoop]: Abstraction has 9838 states and 13309 transitions. [2021-11-12 23:25:47,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:25:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 9838 states and 13309 transitions. [2021-11-12 23:25:47,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-12 23:25:47,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:47,332 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:47,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:47,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:47,532 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:25:47,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:47,533 INFO L85 PathProgramCache]: Analyzing trace with hash 769333007, now seen corresponding path program 1 times [2021-11-12 23:25:47,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:47,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504479373] [2021-11-12 23:25:47,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:47,535 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:47,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:47,538 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:47,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:25:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:49,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 1740 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:25:49,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:50,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:50,811 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:50,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504479373] [2021-11-12 23:25:50,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504479373] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:50,811 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:50,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:25:50,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648887673] [2021-11-12 23:25:50,812 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:50,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:25:50,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:50,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:25:50,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:25:50,813 INFO L87 Difference]: Start difference. First operand 9838 states and 13309 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:25:51,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:51,299 INFO L93 Difference]: Finished difference Result 9838 states and 13309 transitions. [2021-11-12 23:25:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:25:51,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 108 [2021-11-12 23:25:51,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:51,349 INFO L225 Difference]: With dead ends: 9838 [2021-11-12 23:25:51,349 INFO L226 Difference]: Without dead ends: 9836 [2021-11-12 23:25:51,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:25:51,358 INFO L933 BasicCegarLoop]: 3908 mSDtfsCounter, 3820 mSDsluCounter, 3906 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3822 SdHoareTripleChecker+Valid, 7814 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.37ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:51,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3822 Valid, 7814 Invalid, 2 Unknown, 0 Unchecked, 13.54ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.37ms Time] [2021-11-12 23:25:51,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9836 states. [2021-11-12 23:25:52,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9836 to 9836. [2021-11-12 23:25:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9836 states, 6664 states have (on average 1.232593037214886) internal successors, (8214), 6856 states have internal predecessors, (8214), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:25:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9836 states to 9836 states and 13307 transitions. [2021-11-12 23:25:52,085 INFO L78 Accepts]: Start accepts. Automaton has 9836 states and 13307 transitions. Word has length 108 [2021-11-12 23:25:52,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:52,085 INFO L470 AbstractCegarLoop]: Abstraction has 9836 states and 13307 transitions. [2021-11-12 23:25:52,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:25:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 9836 states and 13307 transitions. [2021-11-12 23:25:52,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-12 23:25:52,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:52,088 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:52,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:52,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:52,290 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:25:52,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:52,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1680731584, now seen corresponding path program 1 times [2021-11-12 23:25:52,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:52,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353464220] [2021-11-12 23:25:52,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:52,293 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:52,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:52,294 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:52,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:25:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:54,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 1749 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:25:54,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:55,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:25:55,604 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:55,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353464220] [2021-11-12 23:25:55,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [353464220] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:25:55,605 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:25:55,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:25:55,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242761414] [2021-11-12 23:25:55,605 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:55,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:25:55,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:55,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:25:55,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:25:55,607 INFO L87 Difference]: Start difference. First operand 9836 states and 13307 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:25:56,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:56,197 INFO L93 Difference]: Finished difference Result 9836 states and 13307 transitions. [2021-11-12 23:25:56,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:25:56,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 114 [2021-11-12 23:25:56,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:56,237 INFO L225 Difference]: With dead ends: 9836 [2021-11-12 23:25:56,237 INFO L226 Difference]: Without dead ends: 9834 [2021-11-12 23:25:56,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:25:56,244 INFO L933 BasicCegarLoop]: 3906 mSDtfsCounter, 3809 mSDsluCounter, 7808 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 11714 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.79ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:56,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3811 Valid, 11714 Invalid, 2 Unknown, 0 Unchecked, 16.72ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.79ms Time] [2021-11-12 23:25:56,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9834 states. [2021-11-12 23:25:56,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9834 to 9834. [2021-11-12 23:25:56,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9834 states, 6663 states have (on average 1.2324778628245534) internal successors, (8212), 6854 states have internal predecessors, (8212), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:25:56,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9834 states to 9834 states and 13305 transitions. [2021-11-12 23:25:56,999 INFO L78 Accepts]: Start accepts. Automaton has 9834 states and 13305 transitions. Word has length 114 [2021-11-12 23:25:56,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:56,999 INFO L470 AbstractCegarLoop]: Abstraction has 9834 states and 13305 transitions. [2021-11-12 23:25:56,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:25:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9834 states and 13305 transitions. [2021-11-12 23:25:57,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-12 23:25:57,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:57,002 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:57,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:57,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:57,226 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:25:57,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:57,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1137465415, now seen corresponding path program 1 times [2021-11-12 23:25:57,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:57,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114135235] [2021-11-12 23:25:57,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:57,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:57,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:57,229 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:57,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-12 23:25:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:59,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:25:59,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:00,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:00,618 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:00,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114135235] [2021-11-12 23:26:00,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114135235] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:00,619 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:00,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:26:00,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176833995] [2021-11-12 23:26:00,619 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:00,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:26:00,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:00,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:26:00,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:26:00,620 INFO L87 Difference]: Start difference. First operand 9834 states and 13305 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:26:01,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:01,188 INFO L93 Difference]: Finished difference Result 9834 states and 13305 transitions. [2021-11-12 23:26:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:01,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 120 [2021-11-12 23:26:01,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:01,223 INFO L225 Difference]: With dead ends: 9834 [2021-11-12 23:26:01,223 INFO L226 Difference]: Without dead ends: 9832 [2021-11-12 23:26:01,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:01,228 INFO L933 BasicCegarLoop]: 3904 mSDtfsCounter, 3801 mSDsluCounter, 7804 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3803 SdHoareTripleChecker+Valid, 11708 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.11ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.89ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:01,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3803 Valid, 11708 Invalid, 2 Unknown, 0 Unchecked, 16.11ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.89ms Time] [2021-11-12 23:26:01,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9832 states. [2021-11-12 23:26:02,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9832 to 9832. [2021-11-12 23:26:02,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9832 states, 6662 states have (on average 1.2323626538577004) internal successors, (8210), 6852 states have internal predecessors, (8210), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:26:02,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9832 states to 9832 states and 13303 transitions. [2021-11-12 23:26:02,064 INFO L78 Accepts]: Start accepts. Automaton has 9832 states and 13303 transitions. Word has length 120 [2021-11-12 23:26:02,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:02,064 INFO L470 AbstractCegarLoop]: Abstraction has 9832 states and 13303 transitions. [2021-11-12 23:26:02,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:26:02,065 INFO L276 IsEmpty]: Start isEmpty. Operand 9832 states and 13303 transitions. [2021-11-12 23:26:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-12 23:26:02,067 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:02,067 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:02,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:02,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:02,285 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:26:02,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:02,285 INFO L85 PathProgramCache]: Analyzing trace with hash -446881213, now seen corresponding path program 1 times [2021-11-12 23:26:02,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:02,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849304895] [2021-11-12 23:26:02,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:02,287 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:02,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:02,288 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:02,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-12 23:26:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:04,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:26:04,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:05,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:05,679 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:05,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849304895] [2021-11-12 23:26:05,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849304895] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:05,679 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:05,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:26:05,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826792122] [2021-11-12 23:26:05,679 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:05,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:26:05,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:05,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:26:05,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:26:05,681 INFO L87 Difference]: Start difference. First operand 9832 states and 13303 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:26:06,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:06,271 INFO L93 Difference]: Finished difference Result 9832 states and 13303 transitions. [2021-11-12 23:26:06,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:06,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 126 [2021-11-12 23:26:06,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:06,305 INFO L225 Difference]: With dead ends: 9832 [2021-11-12 23:26:06,305 INFO L226 Difference]: Without dead ends: 9830 [2021-11-12 23:26:06,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:06,309 INFO L933 BasicCegarLoop]: 3902 mSDtfsCounter, 3793 mSDsluCounter, 7800 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3795 SdHoareTripleChecker+Valid, 11702 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.22ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.97ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:06,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3795 Valid, 11702 Invalid, 2 Unknown, 0 Unchecked, 16.22ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.97ms Time] [2021-11-12 23:26:06,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9830 states. [2021-11-12 23:26:07,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9830 to 9830. [2021-11-12 23:26:07,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9830 states, 6661 states have (on average 1.232247410298754) internal successors, (8208), 6850 states have internal predecessors, (8208), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:26:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9830 states to 9830 states and 13301 transitions. [2021-11-12 23:26:07,106 INFO L78 Accepts]: Start accepts. Automaton has 9830 states and 13301 transitions. Word has length 126 [2021-11-12 23:26:07,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:07,107 INFO L470 AbstractCegarLoop]: Abstraction has 9830 states and 13301 transitions. [2021-11-12 23:26:07,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:26:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 9830 states and 13301 transitions. [2021-11-12 23:26:07,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-12 23:26:07,110 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:07,110 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:07,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:07,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:07,326 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:26:07,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:07,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1910329193, now seen corresponding path program 1 times [2021-11-12 23:26:07,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:07,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397038988] [2021-11-12 23:26:07,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:07,328 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:07,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:07,329 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:07,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-12 23:26:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:09,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:26:09,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:10,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:10,800 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:10,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397038988] [2021-11-12 23:26:10,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397038988] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:10,800 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:10,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:26:10,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963708404] [2021-11-12 23:26:10,801 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:10,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:26:10,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:10,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:26:10,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:26:10,802 INFO L87 Difference]: Start difference. First operand 9830 states and 13301 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:26:11,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:11,389 INFO L93 Difference]: Finished difference Result 9830 states and 13301 transitions. [2021-11-12 23:26:11,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:11,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 132 [2021-11-12 23:26:11,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:11,427 INFO L225 Difference]: With dead ends: 9830 [2021-11-12 23:26:11,428 INFO L226 Difference]: Without dead ends: 9828 [2021-11-12 23:26:11,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:11,435 INFO L933 BasicCegarLoop]: 3900 mSDtfsCounter, 3788 mSDsluCounter, 3898 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3790 SdHoareTripleChecker+Valid, 7798 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.45ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:11,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3790 Valid, 7798 Invalid, 2 Unknown, 0 Unchecked, 11.60ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 15.45ms Time] [2021-11-12 23:26:11,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9828 states. [2021-11-12 23:26:12,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9828 to 9828. [2021-11-12 23:26:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9828 states, 6660 states have (on average 1.2321321321321321) internal successors, (8206), 6848 states have internal predecessors, (8206), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:26:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9828 states to 9828 states and 13299 transitions. [2021-11-12 23:26:12,201 INFO L78 Accepts]: Start accepts. Automaton has 9828 states and 13299 transitions. Word has length 132 [2021-11-12 23:26:12,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:12,202 INFO L470 AbstractCegarLoop]: Abstraction has 9828 states and 13299 transitions. [2021-11-12 23:26:12,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:26:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 9828 states and 13299 transitions. [2021-11-12 23:26:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-12 23:26:12,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:12,204 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:12,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-11-12 23:26:12,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:12,405 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:26:12,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:12,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1558381006, now seen corresponding path program 1 times [2021-11-12 23:26:12,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:12,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273026845] [2021-11-12 23:26:12,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:12,407 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:12,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:12,408 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:12,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-12 23:26:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:14,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:26:14,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:15,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:15,884 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:15,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273026845] [2021-11-12 23:26:15,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1273026845] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:15,884 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:15,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:26:15,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389618294] [2021-11-12 23:26:15,885 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:15,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:26:15,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:15,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:26:15,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:26:15,886 INFO L87 Difference]: Start difference. First operand 9828 states and 13299 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:26:16,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:16,484 INFO L93 Difference]: Finished difference Result 9828 states and 13299 transitions. [2021-11-12 23:26:16,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:16,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 138 [2021-11-12 23:26:16,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:16,507 INFO L225 Difference]: With dead ends: 9828 [2021-11-12 23:26:16,507 INFO L226 Difference]: Without dead ends: 9826 [2021-11-12 23:26:16,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:16,511 INFO L933 BasicCegarLoop]: 3898 mSDtfsCounter, 3777 mSDsluCounter, 7792 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3779 SdHoareTripleChecker+Valid, 11690 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.67ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:16,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3779 Valid, 11690 Invalid, 2 Unknown, 0 Unchecked, 14.67ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.93ms Time] [2021-11-12 23:26:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9826 states. [2021-11-12 23:26:17,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9826 to 9826. [2021-11-12 23:26:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9826 states, 6659 states have (on average 1.2320168193422436) internal successors, (8204), 6846 states have internal predecessors, (8204), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:26:17,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9826 states to 9826 states and 13297 transitions. [2021-11-12 23:26:17,246 INFO L78 Accepts]: Start accepts. Automaton has 9826 states and 13297 transitions. Word has length 138 [2021-11-12 23:26:17,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:17,246 INFO L470 AbstractCegarLoop]: Abstraction has 9826 states and 13297 transitions. [2021-11-12 23:26:17,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:26:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 9826 states and 13297 transitions. [2021-11-12 23:26:17,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-12 23:26:17,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:17,248 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:17,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:17,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:17,450 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:26:17,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:17,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1866898334, now seen corresponding path program 1 times [2021-11-12 23:26:17,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:17,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780330529] [2021-11-12 23:26:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:17,452 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:17,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:17,453 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:17,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 23:26:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:19,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:26:19,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:20,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:21,584 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:21,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780330529] [2021-11-12 23:26:21,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780330529] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:21,584 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:21,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-12 23:26:21,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724604804] [2021-11-12 23:26:21,585 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:21,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:26:21,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:21,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:26:21,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:21,587 INFO L87 Difference]: Start difference. First operand 9826 states and 13297 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 23:26:24,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:24,712 INFO L93 Difference]: Finished difference Result 9826 states and 13297 transitions. [2021-11-12 23:26:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:24,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 144 [2021-11-12 23:26:24,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:24,758 INFO L225 Difference]: With dead ends: 9826 [2021-11-12 23:26:24,758 INFO L226 Difference]: Without dead ends: 9824 [2021-11-12 23:26:24,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:26:24,762 INFO L933 BasicCegarLoop]: 3896 mSDtfsCounter, 6130 mSDsluCounter, 7788 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1837.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6132 SdHoareTripleChecker+Valid, 11684 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.50ms SdHoareTripleChecker+Time, 1496 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2327.21ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:24,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6132 Valid, 11684 Invalid, 1498 Unknown, 0 Unchecked, 29.50ms Time], IncrementalHoareTripleChecker [1496 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 2327.21ms Time] [2021-11-12 23:26:24,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9824 states. [2021-11-12 23:26:25,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9824 to 9824. [2021-11-12 23:26:25,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9824 states, 6658 states have (on average 1.2319014719134875) internal successors, (8202), 6844 states have internal predecessors, (8202), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:26:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9824 states to 9824 states and 13295 transitions. [2021-11-12 23:26:25,464 INFO L78 Accepts]: Start accepts. Automaton has 9824 states and 13295 transitions. Word has length 144 [2021-11-12 23:26:25,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:25,464 INFO L470 AbstractCegarLoop]: Abstraction has 9824 states and 13295 transitions. [2021-11-12 23:26:25,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 23:26:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 9824 states and 13295 transitions. [2021-11-12 23:26:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-12 23:26:25,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:25,466 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:25,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:25,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:25,670 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:26:25,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:25,670 INFO L85 PathProgramCache]: Analyzing trace with hash 112914991, now seen corresponding path program 1 times [2021-11-12 23:26:25,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:25,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609997493] [2021-11-12 23:26:25,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:25,672 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:25,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:25,673 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:25,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-12 23:26:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:27,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 1803 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:26:27,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:28,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:29,469 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:29,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609997493] [2021-11-12 23:26:29,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [609997493] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:29,470 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:29,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:26:29,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85382912] [2021-11-12 23:26:29,470 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:29,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:26:29,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:29,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:26:29,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:26:29,472 INFO L87 Difference]: Start difference. First operand 9824 states and 13295 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:26:30,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:30,178 INFO L93 Difference]: Finished difference Result 9824 states and 13295 transitions. [2021-11-12 23:26:30,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:30,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 150 [2021-11-12 23:26:30,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:30,207 INFO L225 Difference]: With dead ends: 9824 [2021-11-12 23:26:30,207 INFO L226 Difference]: Without dead ends: 9822 [2021-11-12 23:26:30,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:30,213 INFO L933 BasicCegarLoop]: 3894 mSDtfsCounter, 3764 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3766 SdHoareTripleChecker+Valid, 7786 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.45ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.96ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:30,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3766 Valid, 7786 Invalid, 2 Unknown, 0 Unchecked, 12.45ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.96ms Time] [2021-11-12 23:26:30,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9822 states. [2021-11-12 23:26:30,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9822 to 9822. [2021-11-12 23:26:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9822 states, 6657 states have (on average 1.231786089830254) internal successors, (8200), 6842 states have internal predecessors, (8200), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:26:30,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9822 states to 9822 states and 13293 transitions. [2021-11-12 23:26:30,961 INFO L78 Accepts]: Start accepts. Automaton has 9822 states and 13293 transitions. Word has length 150 [2021-11-12 23:26:30,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:30,962 INFO L470 AbstractCegarLoop]: Abstraction has 9822 states and 13293 transitions. [2021-11-12 23:26:30,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:26:30,962 INFO L276 IsEmpty]: Start isEmpty. Operand 9822 states and 13293 transitions. [2021-11-12 23:26:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-12 23:26:30,964 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:30,964 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:31,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-11-12 23:26:31,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:31,164 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:26:31,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:31,165 INFO L85 PathProgramCache]: Analyzing trace with hash 2021383640, now seen corresponding path program 1 times [2021-11-12 23:26:31,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:31,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994982672] [2021-11-12 23:26:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:31,167 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:31,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:31,167 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:31,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-12 23:26:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:33,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1812 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:26:33,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:34,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:34,899 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:34,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994982672] [2021-11-12 23:26:34,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994982672] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:34,900 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:34,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:26:34,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125729950] [2021-11-12 23:26:34,900 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:34,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:26:34,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:34,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:26:34,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:26:34,901 INFO L87 Difference]: Start difference. First operand 9822 states and 13293 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:26:35,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:35,554 INFO L93 Difference]: Finished difference Result 9822 states and 13293 transitions. [2021-11-12 23:26:35,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:35,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 156 [2021-11-12 23:26:35,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:35,578 INFO L225 Difference]: With dead ends: 9822 [2021-11-12 23:26:35,578 INFO L226 Difference]: Without dead ends: 9820 [2021-11-12 23:26:35,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:35,582 INFO L933 BasicCegarLoop]: 3892 mSDtfsCounter, 3756 mSDsluCounter, 3890 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3758 SdHoareTripleChecker+Valid, 7782 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.76ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:35,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3758 Valid, 7782 Invalid, 2 Unknown, 0 Unchecked, 11.09ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.76ms Time] [2021-11-12 23:26:35,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9820 states. [2021-11-12 23:26:36,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9820 to 9820. [2021-11-12 23:26:36,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9820 states, 6656 states have (on average 1.2316706730769231) internal successors, (8198), 6840 states have internal predecessors, (8198), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:26:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9820 states to 9820 states and 13291 transitions. [2021-11-12 23:26:36,365 INFO L78 Accepts]: Start accepts. Automaton has 9820 states and 13291 transitions. Word has length 156 [2021-11-12 23:26:36,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:36,365 INFO L470 AbstractCegarLoop]: Abstraction has 9820 states and 13291 transitions. [2021-11-12 23:26:36,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:26:36,366 INFO L276 IsEmpty]: Start isEmpty. Operand 9820 states and 13291 transitions. [2021-11-12 23:26:36,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-12 23:26:36,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:36,368 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:36,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:36,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:36,571 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:26:36,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:36,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1956300927, now seen corresponding path program 1 times [2021-11-12 23:26:36,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:36,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940344533] [2021-11-12 23:26:36,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:36,573 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:36,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:36,574 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:36,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-12 23:26:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:38,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 1821 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:26:38,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:39,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:40,302 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:40,302 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:40,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940344533] [2021-11-12 23:26:40,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940344533] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:40,302 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:40,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:26:40,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212528944] [2021-11-12 23:26:40,303 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:40,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:26:40,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:40,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:26:40,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:26:40,304 INFO L87 Difference]: Start difference. First operand 9820 states and 13291 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 23:26:40,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:40,953 INFO L93 Difference]: Finished difference Result 9820 states and 13291 transitions. [2021-11-12 23:26:40,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:40,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 162 [2021-11-12 23:26:40,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:40,979 INFO L225 Difference]: With dead ends: 9820 [2021-11-12 23:26:40,979 INFO L226 Difference]: Without dead ends: 9818 [2021-11-12 23:26:40,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:40,985 INFO L933 BasicCegarLoop]: 3890 mSDtfsCounter, 3745 mSDsluCounter, 7776 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3747 SdHoareTripleChecker+Valid, 11666 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.29ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.81ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:40,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3747 Valid, 11666 Invalid, 2 Unknown, 0 Unchecked, 15.29ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.81ms Time] [2021-11-12 23:26:40,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9818 states. [2021-11-12 23:26:41,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9818 to 9818. [2021-11-12 23:26:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9818 states, 6655 states have (on average 1.2315552216378662) internal successors, (8196), 6838 states have internal predecessors, (8196), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:26:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9818 states to 9818 states and 13289 transitions. [2021-11-12 23:26:41,766 INFO L78 Accepts]: Start accepts. Automaton has 9818 states and 13289 transitions. Word has length 162 [2021-11-12 23:26:41,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:41,766 INFO L470 AbstractCegarLoop]: Abstraction has 9818 states and 13289 transitions. [2021-11-12 23:26:41,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 23:26:41,767 INFO L276 IsEmpty]: Start isEmpty. Operand 9818 states and 13289 transitions. [2021-11-12 23:26:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-12 23:26:41,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:41,770 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:41,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:41,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:41,978 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:26:41,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:41,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1979279553, now seen corresponding path program 1 times [2021-11-12 23:26:41,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:41,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158351340] [2021-11-12 23:26:41,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:41,980 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:41,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:41,981 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:41,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 23:26:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:44,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 1830 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:26:44,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:45,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:45,735 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:45,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158351340] [2021-11-12 23:26:45,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158351340] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:45,736 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:45,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:26:45,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545504764] [2021-11-12 23:26:45,736 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:45,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:26:45,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:45,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:26:45,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:26:45,738 INFO L87 Difference]: Start difference. First operand 9818 states and 13289 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-12 23:26:46,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:46,607 INFO L93 Difference]: Finished difference Result 9818 states and 13289 transitions. [2021-11-12 23:26:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:46,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 168 [2021-11-12 23:26:46,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:46,634 INFO L225 Difference]: With dead ends: 9818 [2021-11-12 23:26:46,634 INFO L226 Difference]: Without dead ends: 9816 [2021-11-12 23:26:46,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:46,640 INFO L933 BasicCegarLoop]: 3888 mSDtfsCounter, 3740 mSDsluCounter, 3886 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3742 SdHoareTripleChecker+Valid, 7774 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.50ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:46,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3742 Valid, 7774 Invalid, 2 Unknown, 0 Unchecked, 12.59ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.50ms Time] [2021-11-12 23:26:46,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9816 states. [2021-11-12 23:26:47,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9816 to 9816. [2021-11-12 23:26:47,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9816 states, 6654 states have (on average 1.2314397354974451) internal successors, (8194), 6836 states have internal predecessors, (8194), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:26:47,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9816 states to 9816 states and 13287 transitions. [2021-11-12 23:26:47,451 INFO L78 Accepts]: Start accepts. Automaton has 9816 states and 13287 transitions. Word has length 168 [2021-11-12 23:26:47,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:47,452 INFO L470 AbstractCegarLoop]: Abstraction has 9816 states and 13287 transitions. [2021-11-12 23:26:47,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-12 23:26:47,452 INFO L276 IsEmpty]: Start isEmpty. Operand 9816 states and 13287 transitions. [2021-11-12 23:26:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-12 23:26:47,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:47,456 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:47,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:47,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:47,678 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:26:47,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:47,678 INFO L85 PathProgramCache]: Analyzing trace with hash 46207677, now seen corresponding path program 1 times [2021-11-12 23:26:47,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:47,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890466066] [2021-11-12 23:26:47,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:47,680 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:47,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:47,681 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:47,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-12 23:26:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:49,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:26:49,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:50,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:26:51,557 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:51,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890466066] [2021-11-12 23:26:51,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890466066] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:51,558 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:51,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:26:51,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443921731] [2021-11-12 23:26:51,559 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:51,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:26:51,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:51,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:26:51,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:26:51,560 INFO L87 Difference]: Start difference. First operand 9816 states and 13287 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:26:52,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:52,337 INFO L93 Difference]: Finished difference Result 9816 states and 13287 transitions. [2021-11-12 23:26:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:52,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 174 [2021-11-12 23:26:52,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:52,357 INFO L225 Difference]: With dead ends: 9816 [2021-11-12 23:26:52,357 INFO L226 Difference]: Without dead ends: 9814 [2021-11-12 23:26:52,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:52,360 INFO L933 BasicCegarLoop]: 3886 mSDtfsCounter, 3729 mSDsluCounter, 7768 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3731 SdHoareTripleChecker+Valid, 11654 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.66ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:52,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3731 Valid, 11654 Invalid, 2 Unknown, 0 Unchecked, 15.18ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.66ms Time] [2021-11-12 23:26:52,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9814 states. [2021-11-12 23:26:53,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9814 to 9814. [2021-11-12 23:26:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9814 states, 6653 states have (on average 1.231324214640012) internal successors, (8192), 6834 states have internal predecessors, (8192), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 605 states have return successors, (2546), 2485 states have call predecessors, (2546), 2545 states have call successors, (2546) [2021-11-12 23:26:53,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9814 states to 9814 states and 13285 transitions. [2021-11-12 23:26:53,093 INFO L78 Accepts]: Start accepts. Automaton has 9814 states and 13285 transitions. Word has length 174 [2021-11-12 23:26:53,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:53,093 INFO L470 AbstractCegarLoop]: Abstraction has 9814 states and 13285 transitions. [2021-11-12 23:26:53,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:26:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 9814 states and 13285 transitions. [2021-11-12 23:26:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-12 23:26:53,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:53,098 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:53,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:53,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:53,314 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:26:53,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:53,314 INFO L85 PathProgramCache]: Analyzing trace with hash -272780272, now seen corresponding path program 1 times [2021-11-12 23:26:53,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:53,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305158317] [2021-11-12 23:26:53,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:53,316 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:53,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:53,317 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:53,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-12 23:26:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:56,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:26:56,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2021-11-12 23:26:56,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-12 23:26:57,276 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:57,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305158317] [2021-11-12 23:26:57,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305158317] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:57,276 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:57,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-12 23:26:57,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838150538] [2021-11-12 23:26:57,277 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:57,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:26:57,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:57,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:26:57,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:57,278 INFO L87 Difference]: Start difference. First operand 9814 states and 13285 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:26:58,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:58,792 INFO L93 Difference]: Finished difference Result 22543 states and 30928 transitions. [2021-11-12 23:26:58,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:26:58,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 196 [2021-11-12 23:26:58,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:58,837 INFO L225 Difference]: With dead ends: 22543 [2021-11-12 23:26:58,837 INFO L226 Difference]: Without dead ends: 12750 [2021-11-12 23:26:58,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:26:58,873 INFO L933 BasicCegarLoop]: 4256 mSDtfsCounter, 813 mSDsluCounter, 16623 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 365.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 20879 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.13ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 395.91ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:58,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1099 Valid, 20879 Invalid, 53 Unknown, 0 Unchecked, 23.13ms Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 395.91ms Time] [2021-11-12 23:26:58,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12750 states. [2021-11-12 23:26:59,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12750 to 9824. [2021-11-12 23:26:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9824 states, 6661 states have (on average 1.2310463894310164) internal successors, (8200), 6842 states have internal predecessors, (8200), 2547 states have call successors, (2547), 607 states have call predecessors, (2547), 607 states have return successors, (2550), 2487 states have call predecessors, (2550), 2545 states have call successors, (2550) [2021-11-12 23:26:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9824 states to 9824 states and 13297 transitions. [2021-11-12 23:26:59,858 INFO L78 Accepts]: Start accepts. Automaton has 9824 states and 13297 transitions. Word has length 196 [2021-11-12 23:26:59,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:59,859 INFO L470 AbstractCegarLoop]: Abstraction has 9824 states and 13297 transitions. [2021-11-12 23:26:59,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:26:59,859 INFO L276 IsEmpty]: Start isEmpty. Operand 9824 states and 13297 transitions. [2021-11-12 23:26:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-12 23:26:59,864 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:59,864 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:59,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:00,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:27:00,071 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:27:00,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:00,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1496436578, now seen corresponding path program 1 times [2021-11-12 23:27:00,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:27:00,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703679911] [2021-11-12 23:27:00,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:00,073 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:27:00,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:27:00,074 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:27:00,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-12 23:27:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:27:02,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-12 23:27:02,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-12 23:27:03,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-11-12 23:27:04,735 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:27:04,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703679911] [2021-11-12 23:27:04,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703679911] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:27:04,736 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:27:04,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 14] imperfect sequences [] total 17 [2021-11-12 23:27:04,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962948925] [2021-11-12 23:27:04,736 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:27:04,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-12 23:27:04,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:27:04,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-12 23:27:04,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-11-12 23:27:04,738 INFO L87 Difference]: Start difference. First operand 9824 states and 13297 transitions. Second operand has 17 states, 16 states have (on average 6.6875) internal successors, (107), 16 states have internal predecessors, (107), 7 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (36), 7 states have call predecessors, (36), 7 states have call successors, (36) [2021-11-12 23:27:11,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:11,896 INFO L93 Difference]: Finished difference Result 21208 states and 29298 transitions. [2021-11-12 23:27:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-12 23:27:11,896 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.6875) internal successors, (107), 16 states have internal predecessors, (107), 7 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (36), 7 states have call predecessors, (36), 7 states have call successors, (36) Word has length 208 [2021-11-12 23:27:11,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:12,042 INFO L225 Difference]: With dead ends: 21208 [2021-11-12 23:27:12,044 INFO L226 Difference]: Without dead ends: 14597 [2021-11-12 23:27:12,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870 [2021-11-12 23:27:12,068 INFO L933 BasicCegarLoop]: 5566 mSDtfsCounter, 4100 mSDsluCounter, 71929 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 1571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3995.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4384 SdHoareTripleChecker+Valid, 77495 SdHoareTripleChecker+Invalid, 2560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 103.17ms SdHoareTripleChecker+Time, 1571 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4348.14ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:12,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4384 Valid, 77495 Invalid, 2560 Unknown, 0 Unchecked, 103.17ms Time], IncrementalHoareTripleChecker [1571 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 4348.14ms Time] [2021-11-12 23:27:12,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14597 states. [2021-11-12 23:27:13,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14597 to 9854. [2021-11-12 23:27:13,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9854 states, 6683 states have (on average 1.2302857997905132) internal successors, (8222), 6864 states have internal predecessors, (8222), 2555 states have call successors, (2555), 607 states have call predecessors, (2555), 607 states have return successors, (2558), 2495 states have call predecessors, (2558), 2553 states have call successors, (2558) [2021-11-12 23:27:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9854 states to 9854 states and 13335 transitions. [2021-11-12 23:27:13,286 INFO L78 Accepts]: Start accepts. Automaton has 9854 states and 13335 transitions. Word has length 208 [2021-11-12 23:27:13,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:13,287 INFO L470 AbstractCegarLoop]: Abstraction has 9854 states and 13335 transitions. [2021-11-12 23:27:13,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.6875) internal successors, (107), 16 states have internal predecessors, (107), 7 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (36), 7 states have call predecessors, (36), 7 states have call successors, (36) [2021-11-12 23:27:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 9854 states and 13335 transitions. [2021-11-12 23:27:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-12 23:27:13,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:27:13,291 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:27:13,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:13,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:27:13,514 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:27:13,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:13,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2034064211, now seen corresponding path program 1 times [2021-11-12 23:27:13,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:27:13,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802356479] [2021-11-12 23:27:13,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:13,516 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:27:13,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:27:13,517 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:27:13,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-12 23:27:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:27:16,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 2192 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:27:16,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:17,113 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2021-11-12 23:27:17,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-12 23:27:17,622 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:27:17,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802356479] [2021-11-12 23:27:17,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1802356479] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:27:17,623 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:27:17,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:27:17,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466643054] [2021-11-12 23:27:17,623 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:27:17,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:27:17,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:27:17,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:27:17,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:27:17,625 INFO L87 Difference]: Start difference. First operand 9854 states and 13335 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:27:19,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:27:22,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:27:24,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:27:26,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:26,506 INFO L93 Difference]: Finished difference Result 20776 states and 28281 transitions. [2021-11-12 23:27:26,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:27:26,506 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 199 [2021-11-12 23:27:26,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:26,549 INFO L225 Difference]: With dead ends: 20776 [2021-11-12 23:27:26,549 INFO L226 Difference]: Without dead ends: 10943 [2021-11-12 23:27:26,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:27:26,578 INFO L933 BasicCegarLoop]: 4375 mSDtfsCounter, 868 mSDsluCounter, 21033 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 523 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7156.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 25408 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.42ms SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7413.07ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:26,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [955 Valid, 25408 Invalid, 647 Unknown, 0 Unchecked, 34.42ms Time], IncrementalHoareTripleChecker [523 Valid, 121 Invalid, 3 Unknown, 0 Unchecked, 7413.07ms Time] [2021-11-12 23:27:26,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10943 states. [2021-11-12 23:27:27,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10943 to 9860. [2021-11-12 23:27:27,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9860 states, 6689 states have (on average 1.23007923456421) internal successors, (8228), 6870 states have internal predecessors, (8228), 2555 states have call successors, (2555), 607 states have call predecessors, (2555), 607 states have return successors, (2558), 2495 states have call predecessors, (2558), 2553 states have call successors, (2558) [2021-11-12 23:27:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9860 states to 9860 states and 13341 transitions. [2021-11-12 23:27:27,807 INFO L78 Accepts]: Start accepts. Automaton has 9860 states and 13341 transitions. Word has length 199 [2021-11-12 23:27:27,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:27,807 INFO L470 AbstractCegarLoop]: Abstraction has 9860 states and 13341 transitions. [2021-11-12 23:27:27,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:27:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 9860 states and 13341 transitions. [2021-11-12 23:27:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-12 23:27:27,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:27:27,810 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:27:27,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:28,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:27:28,034 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:27:28,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:28,034 INFO L85 PathProgramCache]: Analyzing trace with hash -600726739, now seen corresponding path program 1 times [2021-11-12 23:27:28,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:27:28,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987953133] [2021-11-12 23:27:28,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:28,037 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:27:28,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:27:28,040 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:27:28,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-12 23:27:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:27:30,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1848 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:27:30,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:27:31,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:27:32,056 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:27:32,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987953133] [2021-11-12 23:27:32,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987953133] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:27:32,056 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:27:32,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:27:32,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189355884] [2021-11-12 23:27:32,056 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:27:32,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:27:32,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:27:32,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:27:32,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:27:32,057 INFO L87 Difference]: Start difference. First operand 9860 states and 13341 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 23:27:32,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:32,949 INFO L93 Difference]: Finished difference Result 9860 states and 13341 transitions. [2021-11-12 23:27:32,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:27:32,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 180 [2021-11-12 23:27:32,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:32,981 INFO L225 Difference]: With dead ends: 9860 [2021-11-12 23:27:32,981 INFO L226 Difference]: Without dead ends: 9672 [2021-11-12 23:27:32,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:27:32,987 INFO L933 BasicCegarLoop]: 3885 mSDtfsCounter, 3720 mSDsluCounter, 7770 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3720 SdHoareTripleChecker+Valid, 11655 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.26ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.03ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:32,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3720 Valid, 11655 Invalid, 1 Unknown, 0 Unchecked, 15.26ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.03ms Time] [2021-11-12 23:27:32,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9672 states. [2021-11-12 23:27:34,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9672 to 9672. [2021-11-12 23:27:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9672 states, 6575 states have (on average 1.2331558935361218) internal successors, (8108), 6753 states have internal predecessors, (8108), 2502 states have call successors, (2502), 587 states have call predecessors, (2502), 587 states have return successors, (2505), 2444 states have call predecessors, (2505), 2500 states have call successors, (2505) [2021-11-12 23:27:34,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9672 states to 9672 states and 13115 transitions. [2021-11-12 23:27:34,123 INFO L78 Accepts]: Start accepts. Automaton has 9672 states and 13115 transitions. Word has length 180 [2021-11-12 23:27:34,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:34,123 INFO L470 AbstractCegarLoop]: Abstraction has 9672 states and 13115 transitions. [2021-11-12 23:27:34,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 23:27:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 9672 states and 13115 transitions. [2021-11-12 23:27:34,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-12 23:27:34,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:27:34,125 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:27:34,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:34,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:27:34,326 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:27:34,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:34,327 INFO L85 PathProgramCache]: Analyzing trace with hash 334759053, now seen corresponding path program 1 times [2021-11-12 23:27:34,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:27:34,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70414748] [2021-11-12 23:27:34,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:34,330 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:27:34,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:27:34,332 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:27:34,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-12 23:27:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:27:37,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 2239 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:27:37,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-11-12 23:27:38,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-11-12 23:27:38,653 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:27:38,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70414748] [2021-11-12 23:27:38,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [70414748] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:27:38,653 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:27:38,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:27:38,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966901657] [2021-11-12 23:27:38,653 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:27:38,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:27:38,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:27:38,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:27:38,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:27:38,654 INFO L87 Difference]: Start difference. First operand 9672 states and 13115 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-12 23:27:41,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:41,982 INFO L93 Difference]: Finished difference Result 19603 states and 27264 transitions. [2021-11-12 23:27:41,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:27:41,991 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) Word has length 220 [2021-11-12 23:27:41,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:42,042 INFO L225 Difference]: With dead ends: 19603 [2021-11-12 23:27:42,042 INFO L226 Difference]: Without dead ends: 14720 [2021-11-12 23:27:42,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:27:42,056 INFO L933 BasicCegarLoop]: 4459 mSDtfsCounter, 1739 mSDsluCounter, 21774 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1491.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2291 SdHoareTripleChecker+Valid, 26233 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.32ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1687.94ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:42,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2291 Valid, 26233 Invalid, 295 Unknown, 0 Unchecked, 32.32ms Time], IncrementalHoareTripleChecker [1 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 1687.94ms Time] [2021-11-12 23:27:42,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14720 states. [2021-11-12 23:27:43,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14720 to 9680. [2021-11-12 23:27:43,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9680 states, 6581 states have (on average 1.2329433216836347) internal successors, (8114), 6759 states have internal predecessors, (8114), 2502 states have call successors, (2502), 587 states have call predecessors, (2502), 589 states have return successors, (2517), 2446 states have call predecessors, (2517), 2500 states have call successors, (2517) [2021-11-12 23:27:43,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9680 states to 9680 states and 13133 transitions. [2021-11-12 23:27:43,176 INFO L78 Accepts]: Start accepts. Automaton has 9680 states and 13133 transitions. Word has length 220 [2021-11-12 23:27:43,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:43,176 INFO L470 AbstractCegarLoop]: Abstraction has 9680 states and 13133 transitions. [2021-11-12 23:27:43,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-12 23:27:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 9680 states and 13133 transitions. [2021-11-12 23:27:43,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-12 23:27:43,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:27:43,178 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:27:43,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:43,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:27:43,379 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:27:43,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:43,379 INFO L85 PathProgramCache]: Analyzing trace with hash 553613771, now seen corresponding path program 1 times [2021-11-12 23:27:43,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:27:43,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328178259] [2021-11-12 23:27:43,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:43,382 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:27:43,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:27:43,382 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:27:43,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-12 23:27:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:27:46,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 2238 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:27:46,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:47,392 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-11-12 23:27:47,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-11-12 23:27:48,456 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:27:48,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328178259] [2021-11-12 23:27:48,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1328178259] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:27:48,456 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:27:48,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-12 23:27:48,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748201765] [2021-11-12 23:27:48,457 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:27:48,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-12 23:27:48,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:27:48,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-12 23:27:48,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:27:48,458 INFO L87 Difference]: Start difference. First operand 9680 states and 13133 transitions. Second operand has 14 states, 14 states have (on average 8.071428571428571) internal successors, (113), 12 states have internal predecessors, (113), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-12 23:27:51,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:51,632 INFO L93 Difference]: Finished difference Result 17056 states and 23135 transitions. [2021-11-12 23:27:51,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:27:51,634 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.071428571428571) internal successors, (113), 12 states have internal predecessors, (113), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) Word has length 220 [2021-11-12 23:27:51,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:51,669 INFO L225 Difference]: With dead ends: 17056 [2021-11-12 23:27:51,669 INFO L226 Difference]: Without dead ends: 7395 [2021-11-12 23:27:51,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:27:51,697 INFO L933 BasicCegarLoop]: 4052 mSDtfsCounter, 1278 mSDsluCounter, 27748 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1462.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 31800 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.89ms SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1628.01ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:51,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1278 Valid, 31800 Invalid, 713 Unknown, 0 Unchecked, 32.89ms Time], IncrementalHoareTripleChecker [482 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 1628.01ms Time] [2021-11-12 23:27:51,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7395 states. [2021-11-12 23:27:52,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7395 to 6641. [2021-11-12 23:27:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6641 states, 4487 states have (on average 1.2242032538444394) internal successors, (5493), 4603 states have internal predecessors, (5493), 1710 states have call successors, (1710), 434 states have call predecessors, (1710), 436 states have return successors, (1722), 1681 states have call predecessors, (1722), 1708 states have call successors, (1722) [2021-11-12 23:27:52,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6641 states to 6641 states and 8925 transitions. [2021-11-12 23:27:52,735 INFO L78 Accepts]: Start accepts. Automaton has 6641 states and 8925 transitions. Word has length 220 [2021-11-12 23:27:52,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:52,736 INFO L470 AbstractCegarLoop]: Abstraction has 6641 states and 8925 transitions. [2021-11-12 23:27:52,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.071428571428571) internal successors, (113), 12 states have internal predecessors, (113), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-12 23:27:52,736 INFO L276 IsEmpty]: Start isEmpty. Operand 6641 states and 8925 transitions. [2021-11-12 23:27:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-12 23:27:52,738 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:27:52,738 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:27:52,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:52,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:27:52,939 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:27:52,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:52,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1460039207, now seen corresponding path program 1 times [2021-11-12 23:27:52,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:27:52,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053608770] [2021-11-12 23:27:52,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:52,941 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:27:52,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:27:52,942 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:27:52,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-12 23:27:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:27:56,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 2271 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:27:56,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:27:56,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:27:57,200 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:27:57,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053608770] [2021-11-12 23:27:57,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053608770] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:27:57,201 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:27:57,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-12 23:27:57,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973043702] [2021-11-12 23:27:57,201 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:27:57,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:27:57,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:27:57,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:27:57,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:27:57,203 INFO L87 Difference]: Start difference. First operand 6641 states and 8925 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2021-11-12 23:27:59,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:28:00,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:28:00,567 INFO L93 Difference]: Finished difference Result 12990 states and 17739 transitions. [2021-11-12 23:28:00,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:28:00,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) Word has length 236 [2021-11-12 23:28:00,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:28:00,592 INFO L225 Difference]: With dead ends: 12990 [2021-11-12 23:28:00,592 INFO L226 Difference]: Without dead ends: 8100 [2021-11-12 23:28:00,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:28:00,604 INFO L933 BasicCegarLoop]: 4966 mSDtfsCounter, 807 mSDsluCounter, 23727 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2262.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1065 SdHoareTripleChecker+Valid, 28693 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.72ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2290.15ms IncrementalHoareTripleChecker+Time [2021-11-12 23:28:00,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1065 Valid, 28693 Invalid, 64 Unknown, 0 Unchecked, 25.72ms Time], IncrementalHoareTripleChecker [10 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 2290.15ms Time] [2021-11-12 23:28:00,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8100 states. [2021-11-12 23:28:01,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8100 to 6646. [2021-11-12 23:28:01,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6646 states, 4491 states have (on average 1.2240035626809174) internal successors, (5497), 4607 states have internal predecessors, (5497), 1710 states have call successors, (1710), 434 states have call predecessors, (1710), 437 states have return successors, (1735), 1682 states have call predecessors, (1735), 1708 states have call successors, (1735) [2021-11-12 23:28:01,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6646 states to 6646 states and 8942 transitions. [2021-11-12 23:28:01,354 INFO L78 Accepts]: Start accepts. Automaton has 6646 states and 8942 transitions. Word has length 236 [2021-11-12 23:28:01,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:28:01,354 INFO L470 AbstractCegarLoop]: Abstraction has 6646 states and 8942 transitions. [2021-11-12 23:28:01,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2021-11-12 23:28:01,354 INFO L276 IsEmpty]: Start isEmpty. Operand 6646 states and 8942 transitions. [2021-11-12 23:28:01,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-12 23:28:01,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:28:01,357 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:28:01,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-12 23:28:01,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:28:01,562 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:28:01,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:28:01,562 INFO L85 PathProgramCache]: Analyzing trace with hash -2027567672, now seen corresponding path program 1 times [2021-11-12 23:28:01,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:28:01,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249510285] [2021-11-12 23:28:01,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:28:01,564 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:28:01,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:28:01,566 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:28:01,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-12 23:28:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:28:04,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 2262 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:28:04,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:28:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:28:05,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:28:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:28:05,818 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:28:05,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249510285] [2021-11-12 23:28:05,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249510285] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:28:05,818 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:28:05,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-12 23:28:05,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641592104] [2021-11-12 23:28:05,818 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:28:05,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:28:05,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:28:05,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:28:05,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:28:05,819 INFO L87 Difference]: Start difference. First operand 6646 states and 8942 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2021-11-12 23:28:07,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:28:09,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:28:09,129 INFO L93 Difference]: Finished difference Result 13000 states and 17776 transitions. [2021-11-12 23:28:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:28:09,133 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) Word has length 237 [2021-11-12 23:28:09,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:28:09,152 INFO L225 Difference]: With dead ends: 13000 [2021-11-12 23:28:09,152 INFO L226 Difference]: Without dead ends: 8105 [2021-11-12 23:28:09,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:28:09,162 INFO L933 BasicCegarLoop]: 4981 mSDtfsCounter, 806 mSDsluCounter, 23788 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2279.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 28769 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.97ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2313.03ms IncrementalHoareTripleChecker+Time [2021-11-12 23:28:09,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1064 Valid, 28769 Invalid, 66 Unknown, 0 Unchecked, 24.97ms Time], IncrementalHoareTripleChecker [10 Valid, 55 Invalid, 1 Unknown, 0 Unchecked, 2313.03ms Time] [2021-11-12 23:28:09,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8105 states. [2021-11-12 23:28:09,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8105 to 6646. [2021-11-12 23:28:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6646 states, 4491 states have (on average 1.2240035626809174) internal successors, (5497), 4607 states have internal predecessors, (5497), 1710 states have call successors, (1710), 434 states have call predecessors, (1710), 437 states have return successors, (1735), 1682 states have call predecessors, (1735), 1708 states have call successors, (1735) [2021-11-12 23:28:09,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6646 states to 6646 states and 8942 transitions. [2021-11-12 23:28:09,815 INFO L78 Accepts]: Start accepts. Automaton has 6646 states and 8942 transitions. Word has length 237 [2021-11-12 23:28:09,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:28:09,815 INFO L470 AbstractCegarLoop]: Abstraction has 6646 states and 8942 transitions. [2021-11-12 23:28:09,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2021-11-12 23:28:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 6646 states and 8942 transitions. [2021-11-12 23:28:09,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-12 23:28:09,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:28:09,818 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:28:09,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-12 23:28:10,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:28:10,022 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:28:10,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:28:10,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1811760058, now seen corresponding path program 1 times [2021-11-12 23:28:10,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:28:10,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207816992] [2021-11-12 23:28:10,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:28:10,024 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:28:10,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:28:10,025 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:28:10,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-12 23:28:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:28:12,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 2178 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-12 23:28:12,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:28:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-12 23:28:13,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:28:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-11-12 23:28:15,001 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:28:15,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1207816992] [2021-11-12 23:28:15,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1207816992] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:28:15,001 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:28:15,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 18 [2021-11-12 23:28:15,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909498040] [2021-11-12 23:28:15,001 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:28:15,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-12 23:28:15,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:28:15,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-12 23:28:15,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:28:15,003 INFO L87 Difference]: Start difference. First operand 6646 states and 8942 transitions. Second operand has 18 states, 17 states have (on average 7.235294117647059) internal successors, (123), 17 states have internal predecessors, (123), 8 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (38), 8 states have call predecessors, (38), 8 states have call successors, (38) [2021-11-12 23:28:24,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:28:24,370 INFO L93 Difference]: Finished difference Result 18702 states and 26242 transitions. [2021-11-12 23:28:24,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-12 23:28:24,370 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.235294117647059) internal successors, (123), 17 states have internal predecessors, (123), 8 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (38), 8 states have call predecessors, (38), 8 states have call successors, (38) Word has length 228 [2021-11-12 23:28:24,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:28:24,394 INFO L225 Difference]: With dead ends: 18702 [2021-11-12 23:28:24,394 INFO L226 Difference]: Without dead ends: 12196 [2021-11-12 23:28:24,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=198, Invalid=924, Unknown=0, NotChecked=0, Total=1122 [2021-11-12 23:28:24,407 INFO L933 BasicCegarLoop]: 5709 mSDtfsCounter, 8842 mSDsluCounter, 72760 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 2883 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5376.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9273 SdHoareTripleChecker+Valid, 78469 SdHoareTripleChecker+Invalid, 3990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 102.92ms SdHoareTripleChecker+Time, 2883 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5937.81ms IncrementalHoareTripleChecker+Time [2021-11-12 23:28:24,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9273 Valid, 78469 Invalid, 3990 Unknown, 0 Unchecked, 102.92ms Time], IncrementalHoareTripleChecker [2883 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 5937.81ms Time] [2021-11-12 23:28:24,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12196 states. [2021-11-12 23:28:24,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12196 to 5077. [2021-11-12 23:28:24,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5077 states, 3453 states have (on average 1.2276281494352737) internal successors, (4239), 3547 states have internal predecessors, (4239), 1298 states have call successors, (1298), 314 states have call predecessors, (1298), 318 states have return successors, (1321), 1274 states have call predecessors, (1321), 1296 states have call successors, (1321) [2021-11-12 23:28:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5077 states to 5077 states and 6858 transitions. [2021-11-12 23:28:25,013 INFO L78 Accepts]: Start accepts. Automaton has 5077 states and 6858 transitions. Word has length 228 [2021-11-12 23:28:25,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:28:25,014 INFO L470 AbstractCegarLoop]: Abstraction has 5077 states and 6858 transitions. [2021-11-12 23:28:25,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.235294117647059) internal successors, (123), 17 states have internal predecessors, (123), 8 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (38), 8 states have call predecessors, (38), 8 states have call successors, (38) [2021-11-12 23:28:25,014 INFO L276 IsEmpty]: Start isEmpty. Operand 5077 states and 6858 transitions. [2021-11-12 23:28:25,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-12 23:28:25,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:28:25,016 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:28:25,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-12 23:28:25,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:28:25,217 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:28:25,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:28:25,217 INFO L85 PathProgramCache]: Analyzing trace with hash -542206436, now seen corresponding path program 1 times [2021-11-12 23:28:25,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:28:25,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541083955] [2021-11-12 23:28:25,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:28:25,220 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:28:25,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:28:25,221 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:28:25,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-12 23:28:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:28:28,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 2332 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:28:28,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:28:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-11-12 23:28:30,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:28:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-11-12 23:28:31,643 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:28:31,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541083955] [2021-11-12 23:28:31,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541083955] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:28:31,644 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:28:31,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 7 [2021-11-12 23:28:31,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439790538] [2021-11-12 23:28:31,644 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:28:31,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:28:31,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:28:31,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:28:31,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:28:31,646 INFO L87 Difference]: Start difference. First operand 5077 states and 6858 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 6 states have internal predecessors, (147), 2 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:28:33,800 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:28:35,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:28:47,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:28:47,838 INFO L93 Difference]: Finished difference Result 10299 states and 13926 transitions. [2021-11-12 23:28:47,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:28:47,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 6 states have internal predecessors, (147), 2 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) Word has length 251 [2021-11-12 23:28:47,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:28:47,850 INFO L225 Difference]: With dead ends: 10299 [2021-11-12 23:28:47,851 INFO L226 Difference]: Without dead ends: 5399 [2021-11-12 23:28:47,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:28:47,860 INFO L933 BasicCegarLoop]: 3753 mSDtfsCounter, 3487 mSDsluCounter, 12446 mSDsCounter, 0 mSdLazyCounter, 2834 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14379.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3494 SdHoareTripleChecker+Valid, 16199 SdHoareTripleChecker+Invalid, 2839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 50.07ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2834 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15253.37ms IncrementalHoareTripleChecker+Time [2021-11-12 23:28:47,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3494 Valid, 16199 Invalid, 2839 Unknown, 0 Unchecked, 50.07ms Time], IncrementalHoareTripleChecker [3 Valid, 2834 Invalid, 2 Unknown, 0 Unchecked, 15253.37ms Time] [2021-11-12 23:28:47,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2021-11-12 23:28:48,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 5399. [2021-11-12 23:28:48,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3671 states have (on average 1.2250068101334786) internal successors, (4497), 3765 states have internal predecessors, (4497), 1356 states have call successors, (1356), 360 states have call predecessors, (1356), 364 states have return successors, (1379), 1332 states have call predecessors, (1379), 1354 states have call successors, (1379) [2021-11-12 23:28:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 7232 transitions. [2021-11-12 23:28:48,409 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 7232 transitions. Word has length 251 [2021-11-12 23:28:48,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:28:48,410 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 7232 transitions. [2021-11-12 23:28:48,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 6 states have internal predecessors, (147), 2 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:28:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 7232 transitions. [2021-11-12 23:28:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-12 23:28:48,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:28:48,413 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:28:48,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-12 23:28:48,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:28:48,630 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:28:48,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:28:48,631 INFO L85 PathProgramCache]: Analyzing trace with hash -542146854, now seen corresponding path program 1 times [2021-11-12 23:28:48,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:28:48,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512895236] [2021-11-12 23:28:48,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:28:48,634 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:28:48,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:28:48,635 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:28:48,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-12 23:28:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:28:52,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 2332 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:28:52,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:28:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-11-12 23:28:52,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:28:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-11-12 23:28:53,009 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:28:53,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512895236] [2021-11-12 23:28:53,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512895236] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:28:53,009 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:28:53,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2021-11-12 23:28:53,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024205612] [2021-11-12 23:28:53,009 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:28:53,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:28:53,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:28:53,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:28:53,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:28:53,010 INFO L87 Difference]: Start difference. First operand 5399 states and 7232 transitions. Second operand has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-12 23:28:53,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:28:53,849 INFO L93 Difference]: Finished difference Result 5439 states and 7278 transitions. [2021-11-12 23:28:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:28:53,850 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 251 [2021-11-12 23:28:53,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:28:53,861 INFO L225 Difference]: With dead ends: 5439 [2021-11-12 23:28:53,861 INFO L226 Difference]: Without dead ends: 5437 [2021-11-12 23:28:53,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:28:53,863 INFO L933 BasicCegarLoop]: 3725 mSDtfsCounter, 66 mSDsluCounter, 18614 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 22339 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.88ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.37ms IncrementalHoareTripleChecker+Time [2021-11-12 23:28:53,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 22339 Invalid, 46 Unknown, 0 Unchecked, 18.88ms Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 122.37ms Time] [2021-11-12 23:28:53,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5437 states. [2021-11-12 23:28:54,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5437 to 5435. [2021-11-12 23:28:54,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5435 states, 3699 states have (on average 1.2243849689105164) internal successors, (4529), 3793 states have internal predecessors, (4529), 1361 states have call successors, (1361), 363 states have call predecessors, (1361), 367 states have return successors, (1384), 1337 states have call predecessors, (1384), 1359 states have call successors, (1384) [2021-11-12 23:28:54,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5435 states to 5435 states and 7274 transitions. [2021-11-12 23:28:54,414 INFO L78 Accepts]: Start accepts. Automaton has 5435 states and 7274 transitions. Word has length 251 [2021-11-12 23:28:54,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:28:54,414 INFO L470 AbstractCegarLoop]: Abstraction has 5435 states and 7274 transitions. [2021-11-12 23:28:54,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-12 23:28:54,415 INFO L276 IsEmpty]: Start isEmpty. Operand 5435 states and 7274 transitions. [2021-11-12 23:28:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-12 23:28:54,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:28:54,417 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:28:54,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2021-11-12 23:28:54,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:28:54,617 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:28:54,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:28:54,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1235359336, now seen corresponding path program 1 times [2021-11-12 23:28:54,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:28:54,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652807632] [2021-11-12 23:28:54,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:28:54,620 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:28:54,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:28:54,621 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:28:54,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-12 23:28:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:28:57,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 2273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:28:57,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:28:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:28:58,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:28:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:28:59,104 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:28:59,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652807632] [2021-11-12 23:28:59,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [652807632] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:28:59,105 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:28:59,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:28:59,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919587118] [2021-11-12 23:28:59,105 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:28:59,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:28:59,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:28:59,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:28:59,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:28:59,106 INFO L87 Difference]: Start difference. First operand 5435 states and 7274 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-11-12 23:29:01,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:29:02,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:29:02,328 INFO L93 Difference]: Finished difference Result 10705 states and 14551 transitions. [2021-11-12 23:29:02,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:29:02,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 249 [2021-11-12 23:29:02,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:29:02,347 INFO L225 Difference]: With dead ends: 10705 [2021-11-12 23:29:02,347 INFO L226 Difference]: Without dead ends: 5447 [2021-11-12 23:29:02,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:29:02,356 INFO L933 BasicCegarLoop]: 3719 mSDtfsCounter, 4 mSDsluCounter, 7418 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 28 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2291.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11137 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.90ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2335.27ms IncrementalHoareTripleChecker+Time [2021-11-12 23:29:02,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 11137 Invalid, 72 Unknown, 0 Unchecked, 14.90ms Time], IncrementalHoareTripleChecker [28 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 2335.27ms Time] [2021-11-12 23:29:02,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5447 states. [2021-11-12 23:29:02,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5447 to 5443. [2021-11-12 23:29:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5443 states, 3705 states have (on average 1.224561403508772) internal successors, (4537), 3801 states have internal predecessors, (4537), 1361 states have call successors, (1361), 363 states have call predecessors, (1361), 369 states have return successors, (1394), 1337 states have call predecessors, (1394), 1359 states have call successors, (1394) [2021-11-12 23:29:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 5443 states and 7292 transitions. [2021-11-12 23:29:02,925 INFO L78 Accepts]: Start accepts. Automaton has 5443 states and 7292 transitions. Word has length 249 [2021-11-12 23:29:02,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:29:02,925 INFO L470 AbstractCegarLoop]: Abstraction has 5443 states and 7292 transitions. [2021-11-12 23:29:02,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-11-12 23:29:02,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 7292 transitions. [2021-11-12 23:29:02,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-12 23:29:02,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:29:02,928 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:29:02,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-12 23:29:03,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:29:03,129 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:29:03,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:29:03,129 INFO L85 PathProgramCache]: Analyzing trace with hash -2007804238, now seen corresponding path program 1 times [2021-11-12 23:29:03,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:29:03,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665948190] [2021-11-12 23:29:03,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:29:03,132 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:29:03,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:29:03,132 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:29:03,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-12 23:29:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:29:06,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 2306 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:29:06,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:29:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:29:07,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:29:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:29:08,016 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:29:08,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665948190] [2021-11-12 23:29:08,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665948190] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:29:08,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1667899887] [2021-11-12 23:29:08,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:29:08,018 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:29:08,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:29:08,020 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:29:08,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2021-11-12 23:29:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:29:09,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 2306 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:29:09,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:29:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2021-11-12 23:29:10,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:29:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2021-11-12 23:29:11,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1667899887] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:29:11,254 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:29:11,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [5, 5] total 14 [2021-11-12 23:29:11,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566183531] [2021-11-12 23:29:11,255 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:29:11,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:29:11,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:29:11,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:29:11,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:29:11,256 INFO L87 Difference]: Start difference. First operand 5443 states and 7292 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 1 states have call successors, (28) [2021-11-12 23:29:13,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:29:14,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:29:14,547 INFO L93 Difference]: Finished difference Result 12065 states and 16418 transitions. [2021-11-12 23:29:14,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:29:14,552 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 1 states have call successors, (28) Word has length 250 [2021-11-12 23:29:14,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:29:14,579 INFO L225 Difference]: With dead ends: 12065 [2021-11-12 23:29:14,579 INFO L226 Difference]: Without dead ends: 6799 [2021-11-12 23:29:14,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 997 GetRequests, 984 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:29:14,592 INFO L933 BasicCegarLoop]: 4844 mSDtfsCounter, 805 mSDsluCounter, 27957 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2293.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 32801 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.24ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2325.82ms IncrementalHoareTripleChecker+Time [2021-11-12 23:29:14,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1063 Valid, 32801 Invalid, 71 Unknown, 0 Unchecked, 28.24ms Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 2325.82ms Time] [2021-11-12 23:29:14,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6799 states. [2021-11-12 23:29:15,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6799 to 5443. [2021-11-12 23:29:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5443 states, 3705 states have (on average 1.224561403508772) internal successors, (4537), 3801 states have internal predecessors, (4537), 1361 states have call successors, (1361), 363 states have call predecessors, (1361), 369 states have return successors, (1394), 1337 states have call predecessors, (1394), 1359 states have call successors, (1394) [2021-11-12 23:29:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 5443 states and 7292 transitions. [2021-11-12 23:29:15,193 INFO L78 Accepts]: Start accepts. Automaton has 5443 states and 7292 transitions. Word has length 250 [2021-11-12 23:29:15,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:29:15,193 INFO L470 AbstractCegarLoop]: Abstraction has 5443 states and 7292 transitions. [2021-11-12 23:29:15,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 1 states have call successors, (28) [2021-11-12 23:29:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 7292 transitions. [2021-11-12 23:29:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-12 23:29:15,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:29:15,196 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:29:15,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-12 23:29:15,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2021-11-12 23:29:15,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:29:15,597 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:29:15,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:29:15,597 INFO L85 PathProgramCache]: Analyzing trace with hash 722434882, now seen corresponding path program 1 times [2021-11-12 23:29:15,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:29:15,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550325810] [2021-11-12 23:29:15,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:29:15,600 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:29:15,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:29:15,601 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:29:15,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-12 23:29:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:29:18,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:29:18,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:29:19,435 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:29:19,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:29:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:29:19,985 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:29:19,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550325810] [2021-11-12 23:29:19,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550325810] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:29:19,985 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:29:19,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-12 23:29:19,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048535764] [2021-11-12 23:29:19,986 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:29:19,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:29:19,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:29:19,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:29:19,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:29:19,987 INFO L87 Difference]: Start difference. First operand 5443 states and 7292 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-11-12 23:29:22,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:29:23,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:29:23,350 INFO L93 Difference]: Finished difference Result 12069 states and 16422 transitions. [2021-11-12 23:29:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:29:23,354 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 252 [2021-11-12 23:29:23,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:29:23,377 INFO L225 Difference]: With dead ends: 12069 [2021-11-12 23:29:23,377 INFO L226 Difference]: Without dead ends: 6803 [2021-11-12 23:29:23,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:29:23,388 INFO L933 BasicCegarLoop]: 4852 mSDtfsCounter, 809 mSDsluCounter, 27996 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2331.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 32848 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.60ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2362.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:29:23,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1067 Valid, 32848 Invalid, 80 Unknown, 0 Unchecked, 27.60ms Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 2362.83ms Time] [2021-11-12 23:29:23,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6803 states. [2021-11-12 23:29:23,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6803 to 5445. [2021-11-12 23:29:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5445 states, 3707 states have (on average 1.2244402481791206) internal successors, (4539), 3803 states have internal predecessors, (4539), 1361 states have call successors, (1361), 363 states have call predecessors, (1361), 369 states have return successors, (1394), 1337 states have call predecessors, (1394), 1359 states have call successors, (1394) [2021-11-12 23:29:23,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5445 states to 5445 states and 7294 transitions. [2021-11-12 23:29:23,963 INFO L78 Accepts]: Start accepts. Automaton has 5445 states and 7294 transitions. Word has length 252 [2021-11-12 23:29:23,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:29:23,963 INFO L470 AbstractCegarLoop]: Abstraction has 5445 states and 7294 transitions. [2021-11-12 23:29:23,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-11-12 23:29:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand 5445 states and 7294 transitions. [2021-11-12 23:29:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-12 23:29:23,966 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:29:23,966 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:29:24,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-12 23:29:24,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:29:24,167 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:29:24,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:29:24,168 INFO L85 PathProgramCache]: Analyzing trace with hash 135628868, now seen corresponding path program 1 times [2021-11-12 23:29:24,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:29:24,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908303812] [2021-11-12 23:29:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:29:24,170 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:29:24,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:29:24,171 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:29:24,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-12 23:29:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:29:27,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 2297 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:29:27,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:29:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:29:27,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:29:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:29:28,544 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:29:28,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908303812] [2021-11-12 23:29:28,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908303812] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:29:28,544 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:29:28,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-12 23:29:28,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139989753] [2021-11-12 23:29:28,544 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:29:28,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:29:28,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:29:28,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:29:28,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:29:28,546 INFO L87 Difference]: Start difference. First operand 5445 states and 7294 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 1 states have call successors, (29) [2021-11-12 23:29:29,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:29:29,330 INFO L93 Difference]: Finished difference Result 10731 states and 14542 transitions. [2021-11-12 23:29:29,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:29:29,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 1 states have call successors, (29) Word has length 252 [2021-11-12 23:29:29,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:29:29,351 INFO L225 Difference]: With dead ends: 10731 [2021-11-12 23:29:29,352 INFO L226 Difference]: Without dead ends: 5463 [2021-11-12 23:29:29,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:29:29,366 INFO L933 BasicCegarLoop]: 3739 mSDtfsCounter, 7 mSDsluCounter, 14948 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 18687 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.66ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.10ms IncrementalHoareTripleChecker+Time [2021-11-12 23:29:29,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 18687 Invalid, 20 Unknown, 0 Unchecked, 14.66ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 120.10ms Time] [2021-11-12 23:29:29,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5463 states. [2021-11-12 23:29:29,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5463 to 5455. [2021-11-12 23:29:29,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5455 states, 3715 states have (on average 1.223956931359354) internal successors, (4547), 3811 states have internal predecessors, (4547), 1361 states have call successors, (1361), 363 states have call predecessors, (1361), 371 states have return successors, (1400), 1339 states have call predecessors, (1400), 1359 states have call successors, (1400) [2021-11-12 23:29:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 5455 states and 7308 transitions. [2021-11-12 23:29:29,931 INFO L78 Accepts]: Start accepts. Automaton has 5455 states and 7308 transitions. Word has length 252 [2021-11-12 23:29:29,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:29:29,932 INFO L470 AbstractCegarLoop]: Abstraction has 5455 states and 7308 transitions. [2021-11-12 23:29:29,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 1 states have call successors, (29) [2021-11-12 23:29:29,932 INFO L276 IsEmpty]: Start isEmpty. Operand 5455 states and 7308 transitions. [2021-11-12 23:29:29,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-12 23:29:29,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:29:29,934 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:29:29,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-11-12 23:29:30,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:29:30,135 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:29:30,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:29:30,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1858515838, now seen corresponding path program 1 times [2021-11-12 23:29:30,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:29:30,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869374350] [2021-11-12 23:29:30,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:29:30,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:29:30,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:29:30,138 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:29:30,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-12 23:29:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:29:33,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 2296 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:29:33,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:29:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:29:35,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:29:36,215 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:29:36,216 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:29:36,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869374350] [2021-11-12 23:29:36,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869374350] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:29:36,216 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:29:36,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8 [2021-11-12 23:29:36,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045866363] [2021-11-12 23:29:36,216 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:29:36,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:29:36,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:29:36,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:29:36,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:29:36,218 INFO L87 Difference]: Start difference. First operand 5455 states and 7308 transitions. Second operand has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 5 states have call predecessors, (58), 5 states have call successors, (58) [2021-11-12 23:29:38,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:29:40,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:30:33,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:30:33,568 INFO L93 Difference]: Finished difference Result 31537 states and 42363 transitions. [2021-11-12 23:30:33,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-12 23:30:33,569 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 5 states have call predecessors, (58), 5 states have call successors, (58) Word has length 252 [2021-11-12 23:30:33,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:30:33,671 INFO L225 Difference]: With dead ends: 31537 [2021-11-12 23:30:33,671 INFO L226 Difference]: Without dead ends: 31535 [2021-11-12 23:30:33,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:30:33,687 INFO L933 BasicCegarLoop]: 10086 mSDtfsCounter, 18850 mSDsluCounter, 37075 mSDsCounter, 0 mSdLazyCounter, 11244 mSolverCounterSat, 2876 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48314.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18850 SdHoareTripleChecker+Valid, 47161 SdHoareTripleChecker+Invalid, 14122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 186.80ms SdHoareTripleChecker+Time, 2876 IncrementalHoareTripleChecker+Valid, 11244 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52534.58ms IncrementalHoareTripleChecker+Time [2021-11-12 23:30:33,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18850 Valid, 47161 Invalid, 14122 Unknown, 0 Unchecked, 186.80ms Time], IncrementalHoareTripleChecker [2876 Valid, 11244 Invalid, 2 Unknown, 0 Unchecked, 52534.58ms Time] [2021-11-12 23:30:33,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31535 states. [2021-11-12 23:30:37,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31535 to 31338. [2021-11-12 23:30:37,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31338 states, 21346 states have (on average 1.2273493863018832) internal successors, (26199), 21858 states have internal predecessors, (26199), 7876 states have call successors, (7876), 2068 states have call predecessors, (7876), 2108 states have return successors, (8086), 7743 states have call predecessors, (8086), 7874 states have call successors, (8086) [2021-11-12 23:30:37,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31338 states to 31338 states and 42161 transitions. [2021-11-12 23:30:37,705 INFO L78 Accepts]: Start accepts. Automaton has 31338 states and 42161 transitions. Word has length 252 [2021-11-12 23:30:37,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:30:37,705 INFO L470 AbstractCegarLoop]: Abstraction has 31338 states and 42161 transitions. [2021-11-12 23:30:37,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 5 states have call predecessors, (58), 5 states have call successors, (58) [2021-11-12 23:30:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 31338 states and 42161 transitions. [2021-11-12 23:30:37,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-12 23:30:37,708 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:30:37,708 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:30:37,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2021-11-12 23:30:37,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:30:37,909 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:30:37,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:30:37,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1987190624, now seen corresponding path program 1 times [2021-11-12 23:30:37,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:30:37,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424063241] [2021-11-12 23:30:37,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:30:37,912 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:30:37,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:30:37,913 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:30:37,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-12 23:30:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:30:41,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 2339 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:30:41,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:30:43,048 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-11-12 23:30:43,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:30:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-11-12 23:30:43,961 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:30:43,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424063241] [2021-11-12 23:30:43,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424063241] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:30:43,961 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:30:43,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 23:30:43,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468716565] [2021-11-12 23:30:43,962 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:30:43,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:30:43,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:30:43,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:30:43,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:30:43,963 INFO L87 Difference]: Start difference. First operand 31338 states and 42161 transitions. Second operand has 4 states, 4 states have (on average 55.0) internal successors, (220), 4 states have internal predecessors, (220), 3 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-12 23:30:49,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:30:49,993 INFO L93 Difference]: Finished difference Result 62449 states and 84316 transitions. [2021-11-12 23:30:49,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:30:49,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 4 states have internal predecessors, (220), 3 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 255 [2021-11-12 23:30:49,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:30:50,114 INFO L225 Difference]: With dead ends: 62449 [2021-11-12 23:30:50,114 INFO L226 Difference]: Without dead ends: 31288 [2021-11-12 23:30:50,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:30:50,428 INFO L933 BasicCegarLoop]: 3720 mSDtfsCounter, 5770 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1625.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5770 SdHoareTripleChecker+Valid, 3720 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.03ms SdHoareTripleChecker+Time, 1416 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2055.63ms IncrementalHoareTripleChecker+Time [2021-11-12 23:30:50,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5770 Valid, 3720 Invalid, 1418 Unknown, 0 Unchecked, 15.03ms Time], IncrementalHoareTripleChecker [1416 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 2055.63ms Time] [2021-11-12 23:30:50,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31288 states. [2021-11-12 23:30:54,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31288 to 31288. [2021-11-12 23:30:54,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31288 states, 21297 states have (on average 1.225618631732169) internal successors, (26102), 21808 states have internal predecessors, (26102), 7876 states have call successors, (7876), 2068 states have call predecessors, (7876), 2108 states have return successors, (8086), 7743 states have call predecessors, (8086), 7874 states have call successors, (8086) [2021-11-12 23:30:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31288 states to 31288 states and 42064 transitions. [2021-11-12 23:30:54,131 INFO L78 Accepts]: Start accepts. Automaton has 31288 states and 42064 transitions. Word has length 255 [2021-11-12 23:30:54,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:30:54,132 INFO L470 AbstractCegarLoop]: Abstraction has 31288 states and 42064 transitions. [2021-11-12 23:30:54,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 4 states have internal predecessors, (220), 3 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-12 23:30:54,132 INFO L276 IsEmpty]: Start isEmpty. Operand 31288 states and 42064 transitions. [2021-11-12 23:30:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-12 23:30:54,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:30:54,138 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:30:54,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2021-11-12 23:30:54,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:30:54,356 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:30:54,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:30:54,356 INFO L85 PathProgramCache]: Analyzing trace with hash -465040871, now seen corresponding path program 1 times [2021-11-12 23:30:54,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:30:54,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630509224] [2021-11-12 23:30:54,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:30:54,359 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:30:54,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:30:54,360 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:30:54,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-12 23:30:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:30:58,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 2517 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:30:58,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:30:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-11-12 23:30:58,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:30:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-11-12 23:30:59,306 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:30:59,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630509224] [2021-11-12 23:30:59,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630509224] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:30:59,306 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:30:59,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:30:59,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421888232] [2021-11-12 23:30:59,306 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:30:59,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:30:59,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:30:59,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:30:59,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:30:59,307 INFO L87 Difference]: Start difference. First operand 31288 states and 42064 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2021-11-12 23:31:02,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:31:02,855 INFO L93 Difference]: Finished difference Result 31288 states and 42064 transitions. [2021-11-12 23:31:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:31:02,856 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 317 [2021-11-12 23:31:02,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:31:02,966 INFO L225 Difference]: With dead ends: 31288 [2021-11-12 23:31:02,966 INFO L226 Difference]: Without dead ends: 31286 [2021-11-12 23:31:02,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 628 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:31:02,980 INFO L933 BasicCegarLoop]: 3718 mSDtfsCounter, 13 mSDsluCounter, 14848 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18566 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.11ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.06ms IncrementalHoareTripleChecker+Time [2021-11-12 23:31:02,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 18566 Invalid, 4 Unknown, 0 Unchecked, 15.11ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.06ms Time] [2021-11-12 23:31:03,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31286 states. [2021-11-12 23:31:07,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31286 to 31286. [2021-11-12 23:31:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31286 states, 21296 states have (on average 1.2250657400450788) internal successors, (26089), 21806 states have internal predecessors, (26089), 7876 states have call successors, (7876), 2068 states have call predecessors, (7876), 2108 states have return successors, (8086), 7743 states have call predecessors, (8086), 7874 states have call successors, (8086) [2021-11-12 23:31:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31286 states to 31286 states and 42051 transitions. [2021-11-12 23:31:07,312 INFO L78 Accepts]: Start accepts. Automaton has 31286 states and 42051 transitions. Word has length 317 [2021-11-12 23:31:07,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:31:07,312 INFO L470 AbstractCegarLoop]: Abstraction has 31286 states and 42051 transitions. [2021-11-12 23:31:07,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2021-11-12 23:31:07,313 INFO L276 IsEmpty]: Start isEmpty. Operand 31286 states and 42051 transitions. [2021-11-12 23:31:07,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-12 23:31:07,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:31:07,323 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:31:07,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2021-11-12 23:31:07,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:31:07,546 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:31:07,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:31:07,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1687184128, now seen corresponding path program 1 times [2021-11-12 23:31:07,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:31:07,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1203294020] [2021-11-12 23:31:07,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:31:07,549 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:31:07,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:31:07,551 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:31:07,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2021-11-12 23:31:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:31:10,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 2404 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-12 23:31:10,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:31:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 293 proven. 3 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-12 23:31:12,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:31:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2021-11-12 23:31:13,686 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:31:13,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1203294020] [2021-11-12 23:31:13,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1203294020] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:31:13,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [320748959] [2021-11-12 23:31:13,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:31:13,687 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:31:13,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:31:13,689 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:31:13,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2021-11-12 23:31:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:31:24,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 2404 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-12 23:31:24,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:31:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-11-12 23:31:26,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:31:27,547 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2021-11-12 23:31:27,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [320748959] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:31:27,548 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:31:27,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [11, 11] total 19 [2021-11-12 23:31:27,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952264849] [2021-11-12 23:31:27,549 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:31:27,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-12 23:31:27,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:31:27,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-12 23:31:27,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:31:27,551 INFO L87 Difference]: Start difference. First operand 31286 states and 42051 transitions. Second operand has 16 states, 16 states have (on average 10.0) internal successors, (160), 14 states have internal predecessors, (160), 4 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (67), 6 states have call predecessors, (67), 4 states have call successors, (67) [2021-11-12 23:31:34,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:31:34,162 INFO L93 Difference]: Finished difference Result 63178 states and 85007 transitions. [2021-11-12 23:31:34,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:31:34,163 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.0) internal successors, (160), 14 states have internal predecessors, (160), 4 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (67), 6 states have call predecessors, (67), 4 states have call successors, (67) Word has length 338 [2021-11-12 23:31:34,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:31:34,251 INFO L225 Difference]: With dead ends: 63178 [2021-11-12 23:31:34,251 INFO L226 Difference]: Without dead ends: 31911 [2021-11-12 23:31:34,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1354 GetRequests, 1333 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2021-11-12 23:31:34,305 INFO L933 BasicCegarLoop]: 3833 mSDtfsCounter, 5204 mSDsluCounter, 34967 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1297.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5204 SdHoareTripleChecker+Valid, 38800 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 53.34ms SdHoareTripleChecker+Time, 1645 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1538.41ms IncrementalHoareTripleChecker+Time [2021-11-12 23:31:34,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5204 Valid, 38800 Invalid, 1720 Unknown, 0 Unchecked, 53.34ms Time], IncrementalHoareTripleChecker [1645 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 1538.41ms Time] [2021-11-12 23:31:34,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31911 states. [2021-11-12 23:31:38,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31911 to 31280. [2021-11-12 23:31:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31280 states, 21290 states have (on average 1.2246124941286989) internal successors, (26072), 21803 states have internal predecessors, (26072), 7876 states have call successors, (7876), 2068 states have call predecessors, (7876), 2108 states have return successors, (8086), 7740 states have call predecessors, (8086), 7874 states have call successors, (8086) [2021-11-12 23:31:38,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31280 states to 31280 states and 42034 transitions. [2021-11-12 23:31:38,711 INFO L78 Accepts]: Start accepts. Automaton has 31280 states and 42034 transitions. Word has length 338 [2021-11-12 23:31:38,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:31:38,712 INFO L470 AbstractCegarLoop]: Abstraction has 31280 states and 42034 transitions. [2021-11-12 23:31:38,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.0) internal successors, (160), 14 states have internal predecessors, (160), 4 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (67), 6 states have call predecessors, (67), 4 states have call successors, (67) [2021-11-12 23:31:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 31280 states and 42034 transitions. [2021-11-12 23:31:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-12 23:31:38,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:31:38,720 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:31:38,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2021-11-12 23:31:38,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2021-11-12 23:31:39,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:31:39,146 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting igbvf_configureErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:31:39,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:31:39,146 INFO L85 PathProgramCache]: Analyzing trace with hash 805968685, now seen corresponding path program 1 times [2021-11-12 23:31:39,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:31:39,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237225816] [2021-11-12 23:31:39,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:31:39,149 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:31:39,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:31:39,150 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:31:39,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ee2dd8-f083-43e9-824f-9eb758c5bf49/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2021-11-12 23:31:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:31:43,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 2827 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:31:43,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:31:44,267 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2021-11-12 23:31:44,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:31:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2021-11-12 23:31:45,925 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:31:45,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237225816] [2021-11-12 23:31:45,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237225816] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:31:45,925 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:31:45,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2021-11-12 23:31:45,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000486192] [2021-11-12 23:31:45,926 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:31:45,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-12 23:31:45,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:31:45,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-12 23:31:45,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:31:45,927 INFO L87 Difference]: Start difference. First operand 31280 states and 42034 transitions. Second operand has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 11 states have internal predecessors, (176), 2 states have call successors, (48), 2 states have call predecessors, (48), 6 states have return successors, (47), 6 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-12 23:31:51,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:31:51,785 INFO L93 Difference]: Finished difference Result 62601 states and 84536 transitions. [2021-11-12 23:31:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-12 23:31:51,786 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 11 states have internal predecessors, (176), 2 states have call successors, (48), 2 states have call predecessors, (48), 6 states have return successors, (47), 6 states have call predecessors, (47), 2 states have call successors, (47) Word has length 369 [2021-11-12 23:31:51,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:31:51,870 INFO L225 Difference]: With dead ends: 62601 [2021-11-12 23:31:51,870 INFO L226 Difference]: Without dead ends: 31496 [2021-11-12 23:31:51,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 723 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:31:51,927 INFO L933 BasicCegarLoop]: 3721 mSDtfsCounter, 13 mSDsluCounter, 33472 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 990.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 37193 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.03ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1036.58ms IncrementalHoareTripleChecker+Time [2021-11-12 23:31:51,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 37193 Invalid, 83 Unknown, 0 Unchecked, 29.03ms Time], IncrementalHoareTripleChecker [6 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 1036.58ms Time] [2021-11-12 23:31:51,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31496 states.